Are you looking for the topic “Do all downlights need a transformer – ELECTRICIAN BRISBANE – DOWNLIGHT TRANSFORMERS VS. DRIVERS – ELECTRICAL CONTRACTOR HOT TIPS #11“? We answer all your questions at the website https://tw.taphoamini.com in category: https://tw.taphoamini.com/photos. You will find the answer right below. The article written by the author Brislec Data \u0026 Electrical has 35,917 views and 96 likes likes.
Bulbs intended for use in wet zones (such as downlights in a bathroom) must be IP rated for such use. This means that each sealed bulb will contain a driver, with no external transformer required.Before purchasing an LED downlight, you’ll want to make sure that your electrical system can provide sufficient wattage. A transformer is a necessary component for indoor lighting installations. They convert the voltage from your house’s high power (240v) to low power (12v or 24v) which is safe for the smaller lights.They will have a transformer either in the ceiling or light fitting. Some LED bulbs, like the Philips Master LED range, have in-built circuitry that can deal with most (but not all) transformers, so you don’t have to change them. In other cases, you need to replace the transformer with an LED driver.
Table of Contents
Watch a video on the topic Do all downlights need a transformer
Please continue to watch videos on this topic Do all downlights need a transformer – ELECTRICIAN BRISBANE – DOWNLIGHT TRANSFORMERS VS. DRIVERS – ELECTRICAL CONTRACTOR HOT TIPS #11 here. Look carefully and give us feedback about what you are reading!
ELECTRICIAN BRISBANE – DOWNLIGHT TRANSFORMERS VS. DRIVERS – ELECTRICAL CONTRACTOR HOT TIPS #11 – Do all downlights need a transformer, details of this topic
Electrical \u0026 Data Contractors Since 2006
Website: http://www.brislec.com.au
Facebook: https://www.facebook.com/Brislec-Data-and-Electrical-197816323280/
Instagram: https://www.instagram.com/brislec
Snapchat: brislec
Master Electricians Australia: http://www.masterelectricians.com.au
Brislec Data and Electrical Phone: (07) 3399 9449
In this video our company Director Shane Lockland explains the difference between Halogen Transformers and LED Drivers, confirming that they are not the same. We experience lots of customers that try to mix LED bulbs with Halogen Transformers which is always a hit and miss option. Halogen Transformers and LED Drivers look very similar but operate completely differently. Any concerns? Give us a call on 3399 9449.
#electricianhottips #brislec #happydays #LED #halogen #hitandmiss
See more information on the topic Do all downlights need a transformer here:
Do Downlights Need a Transformer?[2022] – Specifier Australia
In Australia, most downlights require a transformer, as they come with 240v wiring and the fitting is wired directly into your house’s electrical system.
Source: specifier.com.au
Date Published: 7/26/2021
View: 3925
What do I need to consider when upgrading to LED downlights?
MR16 halogen downlights require a transformer for each globe. Most transformers/drivers installed with halogen downlights are rated as …
Source: energymakeovers.com.au
Date Published: 11/8/2021
View: 1943
Installing Led downlights – MyBuilder
Hi, unless the downlights are low voltage there is no need for any transformers. Modern day downlights run at the standard 240v, they are simply low energy …
Source: www.mybuilder.com
Date Published: 7/2/2022
View: 4899
Downlights with or without transformers | DIYnot Forums
240v downlights do not require transformers. 12v downlights do. Neither are all that suitable for lighting rooms, and are horribly …
Source: www.diynot.com
Date Published: 2/11/2021
View: 3003
Do You Need to Change the Transformer for LED Lights? |
Whether you’re installing new LED lights, transitioning from traditional forms of lighting like halogens or retrofitting your current fixtures, …
Source: www.serviceseeking.com.au
Date Published: 7/1/2021
View: 6697
Do all LED downlights need a transformer?
Do all LED downlights need a transformer? All mains powered LED bulbs require a transformer. Depending on the bulb type, …
Source: theknowledgeburrow.com
Date Published: 3/18/2022
View: 7840
LED Downlight Installation – Future Light
LED Transformers are expensive and due to the legal requirements in South Africa each downlight needs its own transformer. The change to 220v is much cheaper …
Source: www.futurelight.co.za
Date Published: 7/7/2021
View: 8308
Can I Use A Halogen Transformer For LED Lights?
If you should replace the transformer for LED lights; How to convert your halogen downlights to LEDs. Do LED Bulbs Need A Transformer?
Source: ledlightinginfo.com
Date Published: 5/3/2021
View: 7220
Images related to the topic Do all downlights need a transformer
Please see some more pictures related to the topic ELECTRICIAN BRISBANE – DOWNLIGHT TRANSFORMERS VS. DRIVERS – ELECTRICAL CONTRACTOR HOT TIPS #11. You can see more related images in the comments, or see more related articles if needed.
Rate articles on topics Do all downlights need a transformer
- Author: Brislec Data \u0026 Electrical
- Views: 35,917 views
- Likes: 96 likes
- Date Published: Aug 29, 2016
- Video Url link: https://www.youtube.com/watch?v=2JaRSIyKj38
Do you need a transformer for downlights?
Before purchasing an LED downlight, you’ll want to make sure that your electrical system can provide sufficient wattage. A transformer is a necessary component for indoor lighting installations. They convert the voltage from your house’s high power (240v) to low power (12v or 24v) which is safe for the smaller lights.
Do LED downlights have a built in transformer?
They will have a transformer either in the ceiling or light fitting. Some LED bulbs, like the Philips Master LED range, have in-built circuitry that can deal with most (but not all) transformers, so you don’t have to change them. In other cases, you need to replace the transformer with an LED driver.
Do low voltage LED lights need a transformer?
Low voltage halogen bulbs and some LED lights require the use of an additional electronic device known as a transformer (for halogen bulbs) or a driver (for LED lights). Both of these devices reduce the AC voltage from the mains supply to a much lower level but this is generally where the similarities end.
Do GU10 downlights need a transformer?
Replacing GU10 Halogens
This is easy and now straightforward to do because LED GU10 lamps can be swapped straight over without any wiring or transformers to consider.
Do all LED downlights need a driver?
Why do you need a driver for LED lights? Because LEDs require a constant direct current of 12v or 24v, which is much lower than the voltage that the mains power supplies, all LED lights need an LED driver to convert the power supply into a more suitable one. This helps to prevent burnout and can lower the risk of fire.
What is the difference between a transformer and an LED driver?
Electronic transformers work in a similar fashion to LED drivers, but they tend to allow for larger output power. In other words, long-length strips of LED lights may require a power supply in excess of 200 W, and since LED drivers may be limited in power output to 100 or 200 W, an electronic transformer may be needed.
How do I find a transformer in my ceiling?
To find the transformer you need to remove the light fitting from the ceiling, gently pull the light cable connected to your fitting until you have located the transformer, and then pull it through the hole until the transformer and junction box are hanging down within easy reach.
Why do you need a transformer?
Transformers help improve safety and efficiency of power systems by raising and lowering voltage levels as and when needed. They are used in a wide range of residential and industrial applications, primarily and perhaps most importantly in the distribution and regulation of power across long distances.
Can I use a driver instead of a transformer?
A driver may be similar in appearance to the traditional transformer attached to the old halogen lamps that we are familiar with. However, they cannot be interchanged. A transformer for halogen lamps generally provides a low, often unregulated voltage to the lamp and does not limit the current.
What is a downlight transformer?
Transformers and LED downlights
In other words, they are designed to be connected to a single 35w or 50w halogen lamp. They can be either a magnetic transformer or an electronic driver. The magnetic transformers are a true transformer and consume between 5 to 15 watts to energise themselves.
Can I use any transformer for LED lights?
LED drivers and electronic transformers for retrofit LED lighting are not interchangeable. They differ in output and load compatibility i.e. which LED lights they will work with. The fundamental difference between the two is that LED drivers output DC while electronic halogen transformers output 12VAC.
Is GU10 always 240v?
The main difference is that the GU10 bulb will run at 240 volts (which is the same voltage as supplied by the mains power supply), while MR16 bulbs run on just 12 volts.
What is the difference between GU10 and LED?
GU10 LEDs and GU10 halogen bulbs are both designed for use in spotlights and downlights. The primary difference is that one features an old, now prohibited halogen bulb, while the other uses advanced LED lighting technology. This means GU10 LEDs use around five times less energy than their halogen counterparts.
Can GU10 run on 12V?
Description GU10 S11 120º 6W LED Light (12-24V)
This is a great alternative with plenty of decorative possibilities and energy savings They work at both 12V and 24V, making them ideal for installations with solar panels.
Can I use any transformer for LED lights?
LED drivers and electronic transformers for retrofit LED lighting are not interchangeable. They differ in output and load compatibility i.e. which LED lights they will work with. The fundamental difference between the two is that LED drivers output DC while electronic halogen transformers output 12VAC.
Do I need a transformer for halogen lights?
MR16 halogen downlights require a transformer for each globe. Most transformers/drivers installed with halogen downlights are rated as either 50 or 60 watts (or VA). This means that they are rated to supply lamps that draw up to 50 or 60 watts more than the energy they consume to energise themselves.
Why do you need a transformer?
Transformers help improve safety and efficiency of power systems by raising and lowering voltage levels as and when needed. They are used in a wide range of residential and industrial applications, primarily and perhaps most importantly in the distribution and regulation of power across long distances.
Can LED lights run on 240V?
LED strips, unfortunately, are not as simple as traditional incandescent light bulbs when it comes to installation and set up. Because they run on low voltage DC, they require a power supply device that converts 120V/240V AC (depending on your location) into the voltage signal that LED strips can use.
Do LED Bulbs Need a Transformer?
All mains powered LED bulbs require a transformer. Depending on the bulb type, the transformer/driver may be built in to the bulb casing or may be located externally. The purpose of the transformer is to reduce mains voltage (240V) to the desired level relative to the bulb being powered (e.g. 12V or 24V).
Switching to LED – which bulbs require a transformer?
Bayonet bulb caps (e.g. B22)
Screw type bulbs caps (e.g. E26, E27)
Twist and lock style caps (e.g. GU10, GU24)
Most people who choose to switch to LED will do so for domestic use. In most common cases, the housing of the individual LED light bulb will contain the relevant driver suitable to power that bulb. This means that the bulb is ready for use and will not require any further consideration over drivers/transformers. Bulbs that contain an LED driver and may therefore be used without the addition of an external transformer include:
The reason for describing the transformer as a ’driver’ in relation to domestic LED bulbs is that although the term ‘LED transformer’ has become a popular umbrella term for all drivers and transformers, the term ‘transformer’ should be reserved for larger LED lighting projects requiring a more powerful external supply (see below for further details).
What is the difference between an LED ‘driver’ and an LED ‘transformer’?
When installed between mains power and an LED bulb in an electrical circuit, LED drivers and LED transformers perform the same function (i.e. each serves to reduce the power supply that is fed into the bulb). However, there is a distinct difference between the two electrical components. Mains power voltage in UK homes is around 240V. Given that LED bulbs designed for domestic use require a significantly reduced power supply in order to function correctly over an expected lifetime, a driver/transformer must be installed in the circuit to protect the bulb. The main difference between LED drivers and LED transformers is the power output:
LED Drivers
Typically, LED drivers are limited to an upper level power output of 100W – 200W. This means that LED drivers are the power supply of choice for small LED lighting setups in the home, as individual LEDs may only require 2V – 4V DC. When LEDs are connected in a series – or ‘array’ – a much higher voltage is required. In this case, an LED transformer may be installed (e.g. to power a light strip).
LED Transformers
LED transformers are capable of controlling a greater flow of electrical power. Transformers therefore provide the ‘heavy-lifting’ power supply solution for larger scale LED lighting projects such as strip lighting (also known as ‘LED tape’). See below for further considerations over the use of an LED transformer with an LED light strip.
How far away should I house the LED transformer?
Electrical Wiring Maximum recommended distance of LED transformer from lighting strip 0.75mm 5m 1mm 10m 1.5mm 15mm 2.5mm 20m
Can multiple LED strip lights be powered by a single transformer?
As part of the considerations around purchasing a lighting strip or LED tape, the question over the maximum distance at which the power supply should be housed from the light strip must be addressed. This is because an LED transformer that is connected to the circuit at too great a distance from the LED strip could result in a dip in power supply reaching the strip. Depending on the properties of the electrical cabling connected to the lighting strip (and therefore depending on the electrical load the cable is able to carry), the answers are as follows:
Yes. Multiple LED strip lights may be powered through a single LED transformer as long as care is taken to ensure that the total wattage demanded by the strips does not exceed the electrical load limits of the transformer. Where the load exceeds the capabilities of the transformer, the output will be affected (likely resulting in dimming or flickering lights).
Do all LED downlights need a separate driver?
Bulbs intended for use in wet zones (such as downlights in a bathroom) must be IP rated for such use. This means that each sealed bulb will contain a driver, with no external transformer required. The electrical fitting must be considered when installing LED downlights in other areas of the home such as kitchen ceilings – if the fitting is designed to house an MR16 bulb (a double pin bulb), for example, a separate driver must be installed with the bulb. Advice regarding drivers for MR16 bulbs is available from the manufacturer’s product information and from quality vendors of the product at the point of purchase.
Can I Install an LED Transformer?
Always seek expert advice from a qualified electrician before attempting large scale lighting projects that require the planning and safe execution of an external power supply fed through an LED transformer.
Do Downlights Need a Transformer?[2022]
Before purchasing an LED downlight, you’ll want to make sure that your electrical system can provide sufficient wattage. A transformer is a necessary component for indoor lighting installations. They convert the voltage from your house’s high power (240v) to low power (12v or 24v) which is safe for the smaller lights. In Australia, most downlights require a transformer, as they come with 240v wiring and the fitting is wired directly into your house’s electrical system.
However, there are some situations where transformers are not required:
– If you’re using an outdoor floodlight from a reputable brand (like those above in ‘What To Look For When Buying Outdoor LED Floodlights’) you’ll probably find they have a transformer built-in already.
– Some outdoor light fittings like post lights are powered by solar panels, which means no wiring is involved at all and the fitting itself generates its own electricity.
– There are special lights such as wireless security floodlights that require directly connecting to your house power system with no transformers. If you’re going this route you’ll need to consult an electrician or specialist lighting retailer, as complicated installation may be required.
Types of Downlight Installations where Transformers are Found
Lighting is a large part of any commercial fit-out, and with the development of LED technology over the past few years, many projects have been scoping more features into their existing property to boost energy efficiency. For example, commercial offices will commonly change from halogen to LED downlights as this can save up to 80% on electricity.
These upgrades are not just limited to office buildings; retail businesses and factories are also seeing savings on their electricity bills because of these changes, which means significant cost savings for your business.
LED Bulbs vs Halogen Bulbs
LED (Light Emitting Diode) downlights are an excellent alternative to existing downlights in the market. They have a lifespan of over 50,000 hours which is more than double of that of most other kinds of lamps that are used for lighting at home. These lights use less power, produce little heat and also last for a very long time.
LEDs are durable and resistant to vibrations and shocks. This makes them perfect for high-traffic areas in homes such as hallways, corridors and staircases.
In addition to being durable and maintenance-free, LEDs offer softer lighting that is appropriate for hallways, living rooms and bedrooms where you need to see your way around easily but does not want the lighting to be glaring or too harsh on your eyes.
LED Downlights in Australia
Most LED products available in the market today are designed purely for that purpose and offer a very soft, non-intrusive light that will not disturb you when sleeping.
However, this is possible only if the right kind of LEDs has been used as well as the right amount of them depending on the size of the room or area you are lighting up.
The disadvantage, however, is that they can be a bit expensive compared to other kinds of downlights available in the market. The cost of installation may also need to be considered although these costs should be recouped by lower running costs over time due to their long life and energy-efficient nature. Most people don’t consider this as an important factor when deciding whether to install LEDs for lighting in homes or not because many do not have accurate information about how LED lights work and which ones are best suited for particular tasks like downlighting applications.
Currently, most LED fixtures sold in Australia are made overseas and are designed primarily with commercial applications in mind – such as office buildings, shopping complexes and factory floors. These LEDs are generally suitable for downlighting purposes but do not always produce the level of light quality that is necessary for ideal home lighting.
For example, they may have been designed to provide bright illumination in large open areas such as warehouses and office buildings where there is no need to worry about glare or harsh lighting at inappropriate times of day when people want to relax in their homes.
Benefits of an LED Driver
Those high-intensity LEDs may work well for an industrial application by providing bright white light with a good amount of illumination but sometimes this kind of lighting can be too harsh and even uncomfortable if used purely as a domestic downlight fixture without any modification or filters attached. The best way to get the right combination of brightness and homely warmness from a LED downlight is to use high quality, independently tested and certified LED which has been proven by independent testing bodies such as the Energy Efficiency Council to provide an output that produces warm white light.
For example, there are many different types of LEDs available in the market today but not all of these have been designed for home use. The best ones for home lighting applications are those that have been independently tested and certified to meet appropriate standards as determined by relevant Australian government authorities. This kind of certification means that they have met or exceeded relevant technical requirements and are safe to use without any extra filters, dimmers or other special accessories needed.
Purchasing LED Bulbs in Australia
Not all LEDs on offer from retail outlets such as retail stores and online shops are suitable for domestic lighting applications. Many of these are sold purely as replacement bulbs for older household appliances such as televisions that cannot physically accommodate the LED lamps designed for use in downlights.
Others may not be energy-efficient like LEDs used for lighting in commercial spaces and many others simply fail to meet Australian standards or have been made with poor quality materials that aren’t fit for purpose. That’s why it is so important to find a reputable supplier that can offer the right kind of LED lighting or downlights for your home based on your own personal preferences and needs.
As we’ve already explained above, there are two main reasons why fit out companies prefer LED over halogen downlights: firstly, they’re cheaper (lose money if they don’t replace all their halogens), and secondly, they’re more labour-saving (LEDs last longer and take less time to install).
Commercial LED Bulb
The use of LED lighting in commercial properties is becoming more common as people become aware that it is cheaper and easier to install than older bulbs. The latest technology in lighting systems has made it more practical to use LED lights, and the benefits of using them can help your business save a lot on power bills.
Commercial property owners should be aware that LED lights last longer, are more environmentally friendly than older lights, have a low energy consumption rate compared with halogen lights and produce less heat which can also help along with soundproofing for offices or converting open plan office areas into cubicles.
If you’re doing work to your home that involves moving walls around or doing extensive renovation work such as adding extensions – think about the extra load this will put on your electrical system (and new hydroelectric bill!).
Adding new circuits is a potential way of dealing with this increased load – but if you have an existing installation, upgrading some or all your downlights can be a great alternative that doesn’t require an additional electrician and is quicker than adding another circuit. If you’re not sure exactly how much power your lights are using, you buy a small plug-in energy meter designed for measuring the electricity consumption of household appliances (such as this one on Amazon.com).
Plugs into the wall to provide instant current readings – valuable when upgrading all or part of your lighting system from halogen to LED. Reverse-cycle air conditioning is also becoming more popular in Australian homes – even during summer. If you consider installing it make sure that it will actually work in conjunction with your existing electrical system; some systems operate at different voltages, or may require special transformers which could add extra expense to your project.
***
Halogen Transformers vs LED Transformers
Halogen Transformers and LED Transformers are the two types of transformers in Australia. Halogen transformers are made of wire coils that convert AC current to DC. The AC is stepped down by a transformer and connected to a halogen bulb. LED transformers, on the other hand, convert AC current to DC without conversion through a wire coil.
There are many similarities between the two such as:
they can be used with any bulb
they use silicon chips to generate the light electronically
However, Halogen Transformers will generally cost more than LED transformers because it requires an expensive filament while LED Transformers do not.
A halogen Transformer also has a lifespan at 2,000 hours.
Does an LED Transformer Cause Flickering Lights?
LED Transformer does not cause flickering light. The LEDs in LED Transformers produce a stable light without any flickering.
The main difference between the Halogen Transformers and the LED Transformers is that Halogen Transformers need a filament whereas LED Transformers to use silicon chips to generate light electronically.
Where the flickering could occur with LED downlights require having variable light bulbs which adjust the power supply going to the light, where is the is too low you may see the led lamps flickering. This is because some of the led drivers may not be designed for such little power that this type of lower light output provides.
Converting to LED lights: everything you need to know
What lights do you use at home?
I’m 100% LED now – even my fridge light is LED. You don’t need to go that far – I’m a little obsessed! It has taken me a couple of years of learning to get it right.
The most important lesson has been light ‘temperature’. This is measured in Kelvin (you’ll find it on the packet of any light bulb). I like a warm white, much like the old-fashioned tungsten bulbs. This is about 2700 Kelvin (K).
It’s interesting that folks from colder climates tend to favour a warm light, while folks from hotter climates prefer something more white or blue. Now I understand the colour I like, I generally get the right bulb each time.
One of the reasons I switched to LED is that I have solar panels on my roof, which contribute to the electricity demand of my house during the day. However after I bought a real-time energy meter I quickly learned that I was using a crazy amount of electricity at night – when my panels don’t help. With a bit of investigation I realised my lighting was drawing a lot of electricity. But my electricity bill for my three-bedroom house is now £7 a month, and upgrading my lighting played a big role in that. Even if you don’t have solar panels, lighting uses a lot of power. The good news is, it’s one of the easiest things to change.
Knowing which colour you like is important.
LED colour chart Photograph: mediacollege.com
My personal preference is for 2700. A nice warm light.
Is it ok to replace bulbs in a circuit (eg a four bulb kitchen light) as they go, or would I have to replace all four at the same time? Can LEDs exist alongside halogen bulbs?
I am assuming that these are the spotlight type bulbs.
It depends if they are low-voltage or mains. You can tell this as low voltage bulbs have ‘pins’ (right – see below) to connect them and mains have ‘pegs’ (left). If they are pegs it’s not a problem, but I’d suggest you replace them all anyway. Halogen bulbs use so much electricity for the light they produce – just feel their heat – that it’s a false economy to wait until they blow to replace them.
LED lamps – pins and pegs Photograph: 10:10
If they are low voltage (pins) it’s a bit more complicated. They will have a transformer either in the ceiling or light fitting. Some LED bulbs, like the Philips Master LED range, have in-built circuitry that can deal with most (but not all) transformers, so you don’t have to change them.
In other cases, you need to replace the transformer with an LED driver. This is because the transformers are too overpowered for the small amount of electricity that LEDs need. You will need an electrician for that.
What have been people’s reactions to you switching to these lights?
Lots of people tried LED lighting when it was first available and it often produced dim, cold puddles of light.
Those memories still persist, so in fact a lot of what I do is to persuade people that this is no longer the case. I take a selection of bulbs to people’s homes so they can see the range of colours, brightnesses, fittings and so on, so they can try before they buy. That way they get what they want without making costly mistakes. It blows the old ‘bad bulb’ stereotype to bits and the people I know have so far been universally delighted.
There are still some challenges on packaging that don’t make it easy to choose right bulb for its purpose, but there’s a growing lobby for non-nonsense labelling, so hopefully things will change. Take a look at my guide at the end of these questions for a step-by-step approach to getting it right.
I have replaced all my old halogens with LEDs. What’s the best thing to do with the old, still functioning, bulbs?
Throw them away or recycle them if you can. You can find more information of where to recycle here. Please note that you should never throw CFL (compact flourescent tubes) into your general waste, as they contain mercury – another good reason to replace them!
The energy you save by replacing them will far outweigh any embedded carbon in the production of the old lightbulbs.
If I have already replaced halogen with CFL spot lights, is it worth me changing to LED versions? I know that they will turn on immediately, but there doesn’t appear to be much of an energy saving to be made. Is it worth just replacing the CFLs as they die?
There are still some energy savings, as LEDs do use less energy than CFLs. But you are right, they are nowhere near as great as if you were replacing old-fashioned light bulbs.
If you are happy with the light there is no need to, but as you replace them you could go LED. You can buy a good quality non-dimmable spot for as little as £4 now (IKEA’s range are well priced and produce a great quality light). The other benefit, as you mention, is they are ‘instantly on’ – no hanging around while your bulbs warm up.
How do we answer those people who say that the heat output of a tungsten or halogen lamp is part of the heat input to their house? Changing the lighting to LED will reduce this heat input, so the heating system will have to run that bit longer to compensate.
I see what you mean – you only have to stand under those bulbs in a bathroom or kitchen to feel the heat pouring off them!
But this would be an incredibly inefficient way of heating your house, for a number of reasons. First, you don’t always want heat, so in the summer for instance, you are heating your house when you probably want it to be cooler. Second, heat rises, so heat from ceiling lighting will stay close to the ceiling and therefore won’t benefit the occupants of a room at all. Third, it’s much cheaper to heat by gas, or biomass, than electricity, and your boiler will have a thermostat to control the level of heat.
Do you know of any trusted online suppliers of LED fittings?
I always find it hard to recommend suppliers as it’s really a personal choice.
Generally, it is worth remembering you get what you pay for, so with a few exceptions, very cheap LED bulbs won’t perform well or last long.
I use energybulbs.co.uk and ledhut.co.uk as they have great returns policy and a good choice. I am also a fan of IKEA’s new LEDARE range as they produce a warm and bright light. Do bear in mind this is just my personal recommendation.
Do LEDs work successfully in lights with dimmer switches where many energy saving bulbs do not?
Yes – dimmable LED lights are very reliable now. There are a few things to bear in mind.
You may have to get your dimmer switch changed to a ‘leading edge’ or LED compatible dimmer. This is because they handle much lower loads. For example if you changed a ‘4 x 60 watt bulb central light’ to LED you would go from switching a load of 240 watts to nearer 30 watts.
Some bulbs have built-in circuitry to manage dimmers; some don’t. They best way to find out is to install them and if they don’t dim well, or flicker, you will know to replace the dimmer. They are no more expensive than ‘regular’ dimmer switches.
I have dimmable lights in my kitchen and living room and they work perfectly. Just make sure, when you buy bulbs, they have the dimmable logo on the box or that it states they are ‘dimmable’.
LED retrofit bulbs are great – you get a nice warm light instantly when you click the switch. However, the advertised service life of an LED is years, and in my experience, they have lasted months, if not weeks. So, I have a few questions: 1. How can you be sure that LED’s will last the reported amount of time? 2. Can bulb longevity be affected by the quality (consistency / voltage etc) of home electrical supply? 3. Is there anything that needs to be done with the home lighting circuit to prolong bulb life?
Poor quality, cheap bulbs don’t last long. My experience is that if you buy quality they do last.
Some of my LED bulbs are more than 5 years old and still going strong. If your bulbs are blowing on a regular basis there may be something else wrong – loose connections in lamp holders, faulty connections to light switches, over-heating a bulb in a small confined space and so on. If this happens elsewhere in your home it could be a general issue; if it is in just one room, a local one. In either case it might be worth contacting an electrician to investigate it for you.
While there are energy efficiency advantages to ‘voltage optimisation’ (this lowers the voltage in your house to about 220v, which nearly all appliances now work on and thus saves money), I suggest you find out what’s causing the problem, as these systems cost a fair amount and may not solve your issue.
Which shops stock LED bulbs and are they cheaper than low energy bulbs?
They are not quite as cheap as low energy bulbs yet but they are getting there.
When I think about how much a bulb costs, it is also worth thinking about the running cost. For example, lets say you have four spotlights in your kitchen, it costs £80 a year to run those, whereas LEDs will cost £7 a year to run. The ‘payback’ time calculation is important. It might be tempting to buy the cheap non energy-efficient bulbs, but in the long term you will be better off.
You can buy them in many places now – all DIY stores, lighting shops and online. Have a look at my guide at the end to making the right choices for you. There is nothing wrong at all with using modern low-energy bulbs (the new ones come on instantly too) if that is what our budgets lends itself to.
Can you give us a make and model number of a reliable, really warm LED bulb to replace bayonet 60w and 100w?
The elusive perfect bulb – a quest close to my own heart!
Ok, first things first: if you want a warm light you need to choose something with a Kelvin count of 2700 or less. Any higher than this and it will be a colder light.
Next, choose the light output you want. As a general rule of thumb most people know that a 100w bulb is bright and suitable for a main light, that a 60w bulb is suitable in a lamp, and 25w bulb works where we want soft and gentle light. LED bulbs use about 10% of the energy of traditional bulbs – so 10w will give you the equivalent light output of an old 100w bulb, 6w of a 60w bulb, and so on.
This one, from Ikea (again just a personal suggestion) might suit your purposes. If not, armed with the information above, you should be able to get what you need.
Incidentally, if your fitting is a bayonet fitting, you can easily buy converters on places like eBay that allow you to use a screw fitting in your bayonet lampholder. In this case you would need a B22 to a E27 converter.
Is it possible to replace GU3 halogen bulbs (the sort with two thin pins at the back) with LED lights, without ripping out the entire system? I have asked this question before, and was told no, but technology is changing all the time.
Yes, it is possible. The GU tells us that the base has a bi-pin cap, meaning that it has two pins and the number, the distance between the pins – in your case 3mm.
So it is simply a matter of finding an LED replacement bulb that meets that specification.
I had a quick look online and it is possible to source them as more and more LED bulbs are now being introduced. Remember, these are generally low voltage bulbs so you will need to ensure that they are compatible with your system. See my other answers (and guide below) about replacing low voltage lighting.
When you are replacing very specific bulbs, see you if you can get an ‘exact match’ or ‘perfect fit’ labeled bulb so that you know they will fit into the existing aperture.
A plain-english guide to installing LED lights
What’s on?
It sounds obvious, but the best place to start is to work out which lights are on the most, and replace them first. In this way, you will maximise your saving.
How much light?
Light is measured in lumens, but this is too complicated to work out every time you buy a bulb. So as rough guide, if you want the equivalent of an ‘old school’ 100w light bulb, go for 10w, 60w – 6w, 40w – 4w. The mathematicians among you will spot a rough 10% rule. For spotlights, replace a 50w GU 10 with a 4w LED bulb.
Which colour?
Light temperature (colour) is measured in Kelvin (K). The lower the number, the warmer the light. Because I like a warm light, 2700K is my preference – it’s like the light from an old-fashioned bulb. 3000K is less warm, and then as you go up the light becomes cooler and whiter – anything approaching 5000k will be nearly blue. Sometimes these are called ‘warm white’ or ‘cool white’. So, depending on your preference, check the packet to make sure have the right colour for you.
Do you want to dim your lights?
You will have to pay a little more for dimmable bulbs, but they are available across the range. Look for the ‘dimmable’ symbol on the packet. Just a word of warning – occasionally, because LED lights use so little energy, you may need to change your dimmer switches too (ask a qualified electrician to do this for you).
Got the right fitting?
You will have a range of light bulbs in your home with different fittings – just make sure you match the fitting to the one you are buying. The best way to do this is to take the old bulb along with you. If you are replacing down-lights or spotlights, take one out (when it is cold and switched off) and see if it has ‘pegs’ or ‘pins’. If it has pegs, this is mains voltage (a GU10 fitting) and is no problem to change. If it has pins, this is low voltage lighting and is a little more complicated. You may need some advice from a professional as to which bulbs will work in your home.
Finally, when you are changing your lighting, think of it like re-decorating a room, where you would buy a paint tester pot to see if you like the colour first before you paint the whole room. When you are investing in new bulbs, buy one first to see if you like it before you replace the rest. And remember, most places will exchange the bulb if it is the wrong one for you.
Once you have changed your bulbs, you can sit back (you won’t need to get up to change them for an average of 15 years) and bask in their glow – and be smug in the knowledge you’re quids in.
Interested in finding out more about how you can live better? Take a look at this month’s Live Better Challenge here.
The Live Better Challenge is funded by Unilever; its focus is sustainable living. All content is editorially independent except for pieces labelled advertisement feature. Find out more here.
Low Voltage Transformers and LED Drivers
Dimming of halogen bulbs and LED lights is dependent on the transformer or driver and this is often indicated on the outer casing or in the product’s technical data.
Low voltage halogen bulbs and some LED lights require the use of an additional electronic device known as a transformer (for halogen bulbs) or a driver (for LED lights). Both of these devices reduce the AC voltage from the mains supply to a much lower level but this is generally where the similarities end. In most cases a low voltage transformer, the type used for reducing the voltage for halogen bulbs, will only reduce the voltage, the output remains as AC (Alternating current). Whereas in the case of an LED driver, the voltage has to be reduced but the output also needs to be converted to DC (Direct current).
All Instant Dispatch Within 2 to 3 Days Within 4 Days Within 1 to 3 Weeks Last Few Remaining
LED Drivers and Low Voltage Lighting Transformers
Here you will find a vast collection of low voltage transformers and LED drivers for use in domestic and light commercial applications.
We have carefully selected our transformers and LED drivers to ensure we only delivery high quality units that give many years trouble free service.
Most low voltage transformers for lighting will convert a mains voltage of 220/240 volts AC to 12 volts AC as this is often the required standard for low voltage lighting. LEDs can be a little more complex than this and often drivers will need to be more closely matched to their light source. While a lot of our LED lights have integral LED drivers, some do require a separate one to operate. In the rare instance that our LED lights require the purchase of an additional LED driver then the details of this will be clearly indicated on the product page, often with a link to the exact driver that you require.
Should you require any technical assistance in selecting the correct LED driver or low voltage transformer then please do not hesitate to contact the technical team.
How to Upgrade From Halogen to LED?
With the ban on halogen now firmly in place from 2016, there are still lots of halogen and incandescent lamps out there wasting energy and draining the earths resources. These energy hungry relics from a distant past need to get upgraded to LED. LED is 90% more efficient and lasts for 10 times longer. There are a 3 main options of upgrading from halogen to LED, choosing the right option for you depends on the type of downlights and halogen lamps you’ve currently got.
Option 1 – Retrofit an MR16 LED
If you’re replacing low voltage MR16 50W halogens that have low voltage 12V transformers, the first and obvious option is to replace it with something like an MR16 LED. These retrofit lamps should operate from your existing transformers. Because these particular LEDs operate on AC (Alternating Current) rather than DC (Direct Current) you don’t need to use a special LED driver. But this isn’t always the case as MR16 LEDs aren’t always universally compatible. This often results in you having to replace your transformers. But…You don’t find out that they’re not compatible with your transformers until they start flickering or randomly flashing. This happens more-so when you’re dimming them. Then its back to the drawing board which means replacing the old transformer with a new LED compatible one which would be the Varilight YT transformers.
This involves additional costs, more time and more messing about – which nobody wants. Another consideration is that if you do plan to dim them, you’re going to need to ensure that the LED, the transformer and the dimmer switch are all compatible with each other. The Varilight YT transformers combined with the Varilight V-Pro dimmer switches are compatible, as are the Philips MR16 LEDs. A winning combination! But you’ve now spent more on these items than you would with options 2 and 3.
Option 2 – Convert to GU10 LED
Again if you’re replacing low voltage halogens but want to keep your existing downlights you can convert them into mains voltage GU10 by ordering some basic GU10 lamp holders, a GU10 lamp holder with connector block and GU10 LEDs. This involves disconnecting the transformer and some re-wiring which should be done by a qualified electrician.
Option 3 – Replace Downlights
Install brand new downlights. This option opens up a whole new world of opportunities for you. You could either install new GU10 downlights or integrated LED downlights. In short, integrated downlights have a built in and non replaceable LED, while GU10s are usually cheaper with a replaceable LED. GU10 LED downlights are not as good in terms of light output, life expectancy or guarantee periods. Check out our sale items for our latest special offers on downlights, LED light bulbs and more.
Replacing GU10 Halogens
This is easy and now straightforward to do because LED GU10 lamps can be swapped straight over without any wiring or transformers to consider. Here are some options for you to consider if you’re replacing your 50W halogen GU10s:
Another Better Option?
The Evolight from Integral offers another alternative to MR16, GU10 and integrated LED. These LED modules can be used with your existing halogen downlights. They come with a push-fit connector block that allows you to disconnect your transformer and wire them straight to the mains. The end result gives you a type of replaceable LED that operates like an integrated LED downlight.
Also available to buy as a complete unit known as the EvoFire+ which includes a fire rated downlight frame, LED module and connector block. If this product range had been invented during the earlier days of LED lighting (back in 2010), it would be everywhere! Either way, its a very good design and is available in a variety of finishes, colour temperatures and with an insulation coverable version.
Need Further Help?
Get in touch with our downlight experts on: 01706 868343 or email: [email protected] and we’ll be happy to assist you further.
Do Downlights Need a Transformer?[2022]
Before purchasing an LED downlight, you’ll want to make sure that your electrical system can provide sufficient wattage. A transformer is a necessary component for indoor lighting installations. They convert the voltage from your house’s high power (240v) to low power (12v or 24v) which is safe for the smaller lights. In Australia, most downlights require a transformer, as they come with 240v wiring and the fitting is wired directly into your house’s electrical system.
However, there are some situations where transformers are not required:
– If you’re using an outdoor floodlight from a reputable brand (like those above in ‘What To Look For When Buying Outdoor LED Floodlights’) you’ll probably find they have a transformer built-in already.
– Some outdoor light fittings like post lights are powered by solar panels, which means no wiring is involved at all and the fitting itself generates its own electricity.
– There are special lights such as wireless security floodlights that require directly connecting to your house power system with no transformers. If you’re going this route you’ll need to consult an electrician or specialist lighting retailer, as complicated installation may be required.
Types of Downlight Installations where Transformers are Found
Lighting is a large part of any commercial fit-out, and with the development of LED technology over the past few years, many projects have been scoping more features into their existing property to boost energy efficiency. For example, commercial offices will commonly change from halogen to LED downlights as this can save up to 80% on electricity.
These upgrades are not just limited to office buildings; retail businesses and factories are also seeing savings on their electricity bills because of these changes, which means significant cost savings for your business.
LED Bulbs vs Halogen Bulbs
LED (Light Emitting Diode) downlights are an excellent alternative to existing downlights in the market. They have a lifespan of over 50,000 hours which is more than double of that of most other kinds of lamps that are used for lighting at home. These lights use less power, produce little heat and also last for a very long time.
LEDs are durable and resistant to vibrations and shocks. This makes them perfect for high-traffic areas in homes such as hallways, corridors and staircases.
In addition to being durable and maintenance-free, LEDs offer softer lighting that is appropriate for hallways, living rooms and bedrooms where you need to see your way around easily but does not want the lighting to be glaring or too harsh on your eyes.
LED Downlights in Australia
Most LED products available in the market today are designed purely for that purpose and offer a very soft, non-intrusive light that will not disturb you when sleeping.
However, this is possible only if the right kind of LEDs has been used as well as the right amount of them depending on the size of the room or area you are lighting up.
The disadvantage, however, is that they can be a bit expensive compared to other kinds of downlights available in the market. The cost of installation may also need to be considered although these costs should be recouped by lower running costs over time due to their long life and energy-efficient nature. Most people don’t consider this as an important factor when deciding whether to install LEDs for lighting in homes or not because many do not have accurate information about how LED lights work and which ones are best suited for particular tasks like downlighting applications.
Currently, most LED fixtures sold in Australia are made overseas and are designed primarily with commercial applications in mind – such as office buildings, shopping complexes and factory floors. These LEDs are generally suitable for downlighting purposes but do not always produce the level of light quality that is necessary for ideal home lighting.
For example, they may have been designed to provide bright illumination in large open areas such as warehouses and office buildings where there is no need to worry about glare or harsh lighting at inappropriate times of day when people want to relax in their homes.
Benefits of an LED Driver
Those high-intensity LEDs may work well for an industrial application by providing bright white light with a good amount of illumination but sometimes this kind of lighting can be too harsh and even uncomfortable if used purely as a domestic downlight fixture without any modification or filters attached. The best way to get the right combination of brightness and homely warmness from a LED downlight is to use high quality, independently tested and certified LED which has been proven by independent testing bodies such as the Energy Efficiency Council to provide an output that produces warm white light.
For example, there are many different types of LEDs available in the market today but not all of these have been designed for home use. The best ones for home lighting applications are those that have been independently tested and certified to meet appropriate standards as determined by relevant Australian government authorities. This kind of certification means that they have met or exceeded relevant technical requirements and are safe to use without any extra filters, dimmers or other special accessories needed.
Purchasing LED Bulbs in Australia
Not all LEDs on offer from retail outlets such as retail stores and online shops are suitable for domestic lighting applications. Many of these are sold purely as replacement bulbs for older household appliances such as televisions that cannot physically accommodate the LED lamps designed for use in downlights.
Others may not be energy-efficient like LEDs used for lighting in commercial spaces and many others simply fail to meet Australian standards or have been made with poor quality materials that aren’t fit for purpose. That’s why it is so important to find a reputable supplier that can offer the right kind of LED lighting or downlights for your home based on your own personal preferences and needs.
As we’ve already explained above, there are two main reasons why fit out companies prefer LED over halogen downlights: firstly, they’re cheaper (lose money if they don’t replace all their halogens), and secondly, they’re more labour-saving (LEDs last longer and take less time to install).
Commercial LED Bulb
The use of LED lighting in commercial properties is becoming more common as people become aware that it is cheaper and easier to install than older bulbs. The latest technology in lighting systems has made it more practical to use LED lights, and the benefits of using them can help your business save a lot on power bills.
Commercial property owners should be aware that LED lights last longer, are more environmentally friendly than older lights, have a low energy consumption rate compared with halogen lights and produce less heat which can also help along with soundproofing for offices or converting open plan office areas into cubicles.
If you’re doing work to your home that involves moving walls around or doing extensive renovation work such as adding extensions – think about the extra load this will put on your electrical system (and new hydroelectric bill!).
Adding new circuits is a potential way of dealing with this increased load – but if you have an existing installation, upgrading some or all your downlights can be a great alternative that doesn’t require an additional electrician and is quicker than adding another circuit. If you’re not sure exactly how much power your lights are using, you buy a small plug-in energy meter designed for measuring the electricity consumption of household appliances (such as this one on Amazon.com).
Plugs into the wall to provide instant current readings – valuable when upgrading all or part of your lighting system from halogen to LED. Reverse-cycle air conditioning is also becoming more popular in Australian homes – even during summer. If you consider installing it make sure that it will actually work in conjunction with your existing electrical system; some systems operate at different voltages, or may require special transformers which could add extra expense to your project.
***
Halogen Transformers vs LED Transformers
Halogen Transformers and LED Transformers are the two types of transformers in Australia. Halogen transformers are made of wire coils that convert AC current to DC. The AC is stepped down by a transformer and connected to a halogen bulb. LED transformers, on the other hand, convert AC current to DC without conversion through a wire coil.
There are many similarities between the two such as:
they can be used with any bulb
they use silicon chips to generate the light electronically
However, Halogen Transformers will generally cost more than LED transformers because it requires an expensive filament while LED Transformers do not.
A halogen Transformer also has a lifespan at 2,000 hours.
Does an LED Transformer Cause Flickering Lights?
LED Transformer does not cause flickering light. The LEDs in LED Transformers produce a stable light without any flickering.
The main difference between the Halogen Transformers and the LED Transformers is that Halogen Transformers need a filament whereas LED Transformers to use silicon chips to generate light electronically.
Where the flickering could occur with LED downlights require having variable light bulbs which adjust the power supply going to the light, where is the is too low you may see the led lamps flickering. This is because some of the led drivers may not be designed for such little power that this type of lower light output provides.
What do I need to consider when upgrading to LED downlights?
If you’re planning to upgrade the lights in your home or business to energy-saving LEDs here are some important facts about LED downlights and how they will work in your fittings:
Transformers and LED downlights
MR16 halogen downlights require a transformer for each globe.
Most transformers/drivers installed with halogen downlights are rated as either 50 or 60 watts (or VA). This means that they are rated to supply lamps that draw up to 50 or 60 watts more than the energy they consume to energise themselves. In other words, they are designed to be connected to a single 35w or 50w halogen lamp. They can be either a magnetic transformer or an electronic driver. The magnetic transformers are a true transformer and consume between 5 to 15 watts to energise themselves. Therefore a 50w halogen lamp connected via a magnetic transformer will present an aggregate load of between 55 watts and 65 watts.
So, if your home or business uses MR16 halogen downlights you will have many transformers in your ceiling. We assess all transformers for compatibility with our LEDs before an upgrade and if they’re not compatible with our MR16s, as eligible with the Victorian Energy Upgrades program (previously VEET) you will not be eligible for a free upgrade and will need to upgrade to our premium IC rated downlights. IC rated downlights remove the need for a transformer thereby creating a more efficient circuit. Unfortunately, these upgrades aren’t fully subsidised by the VEU program and there is a cost per fitting, although some of the cost is subsidised.
Call us
LEDs for homes
LEDs for business
Smaller wattage considerations
Electronic drivers do not use a transformer to reduce the voltage to 12 volts and only require between 1 and 5 watts to energise themselves. Therefore a 50w halogen lamp connected via an electronic driver will present an aggregate load of between 51 watts and 55 watts.
Some electronic drivers are not designed to supply small wattages and are therefore unsuitable for LED downlights. Therefore it is imperative that the installer ensures that the particular brand and model of the existing driver is included in the acceptable drivers list that is published by the LED manufacturer. Our installers will always check this and will not install LEDs on drivers that are not compatible with the lamps we install.
What’s the effect of swapping out 50w halogen downlights with 6w LED lamps?
If you have replaced your 50w halogen downlights with a 6w LED lamp and the lamps are connected to magnetic transformers, the total load of the new lamp combination will be between 11 and 21 watts each. If they are connected to electronic drivers the total load of the new lamp combination will be between 7 and 11 watts each. The difference between the before and after in each scenario is simply equivalent to the difference in wattage between the original halogen lamp and the new LED lamp (ie 44 watts in this example).
The Advantage of IC Rated modular LED Downlights
IC Rated modular downlights do not require a transformer/driver as they are connected directly to a power supply. Therefore replacing halogen downlights with IC Rated modular downlights will save additional energy that would otherwise be consumed in the transformer/driver (i.e. between 1 and 15 watts each). Installing IC Rated modular downlights also removes another potential source of failure in the supply chain as the transformers/drivers will eventually fail over time and require an electrician to replace it.
Call us
LEDs for homes
LEDs for business
Installation with ceiling insulation
The wiring rules require that a specified distance must be maintained between halogen downlights and ceiling insulation and wood structure in the ceiling. This is not required for LED lamps if the manufacturer states their products can safely be installed in contact with ceiling insulation. As LED downlights run at a relatively low temperature they are not able to combust any materials. Therefore most LED manufacturers state that their downlights can be installed in contact with ceiling insulation. As a result you can fill the ceiling insulation holes around downlights when the halogens are replaced by LEDs provided you do not ever reinstall halogen lights in the fittings.
Keep in mind that halogen downlights reach temperatures of around 300°c and LEDs reach temperatures of around 30°c.
Accurate installation of LEDs
Downlights are usually recessing into the ceiling but can also be fitted into ceiling-mounted tracks or luminaires. Many LED downlights have ventilation holes around the outside to assist the heat management of the LED chip. These holes will allow a very small volume of air to circulate because this is what they are designed to do. Some LED downlights do not require ventilation holes such as the new Ecomatters lamps we are now installing.
Our LEDs are installed by certified electricians. This is to ensure they’re installed safely and to a high standard. We have great reviews to back up this claim.
Why Use LEDs?
LEDs are instantly bright, don’t get hot to generate light, they can last for decades, they never ‘flicker’, the light is more evenly distributed and never dulls over time, contain NO toxic elements and can reduce your lighting energy demands by 86% and save you hundreds on your energy bills.
LEDs are amazing
Please rest assured that in all circumstances you are achieving significant energy savings by replacing any variation of halogen downlights with any variation of LED downlights. In any case, it is worthwhile you being thoroughly and professionally assessed by one of our qualified, A-grade professional electricians. Our electricians always provide a quality assessment and present an ID badge upon arrival at their appointments. Get in touch with us today to book your assessment and to see if you can take advantage of the savings.
You can find out more information about the LED upgrade here:
Call us
LEDs for homes
LEDs for business
Email: [email protected]
Post update: Please note that as of September 2019 downlight upgrades in Sydney will now incur a $33 call-out fee irrespective and will require a minimum of 20 downlights.
Installing led downlights
As already said better install GU10 downllight, that works on 240v, GU10 Led lamp will have a mini transformer incorporated.
Responding to your question You can have one “large” transformer feeding all of them or a single transformer feeding each one , all is about your choice.
Regards.
Downlights with or without transformers
I have just put down lights in my house, and spent AGES dithering over how many/how powerful/what type.
My conclusions, based on my own recent but limited experience:
How many :I put 7 x 35W halogen in my 4m x 2m kitchen (which also has under cupboard lights, and a light in the cooker hood). It’s workable, but I’m upgrading to 50W as I prefer more light in the kitchen.
As a rough guide, if the lights are 600mm-1000mm apart you should be OK (and 600mm min from the wall). If it’s too bright, you can fit a dimmer. In a 3m x 3m room, I would want at least 9, and possibly 12. If you don’t fancy the idea of 12, in a non-kitchen area, you have a bit more flexibility as you have the option of additional table lamps etc.
12v or 240v : I can see no advantage to 12v – the transformer uses as much power as a 240v bulb, and the transformers keep packing in and needing replacing.
LED or halogen : LED are pricey, especially if you want dimmable ones, and even the ‘warm tone’ lights don’t give a very nice light. I’m not convinced that the technology is quite ‘there’ yet for domestic applications. Halogens do get hot. You need a good 10-15cm clear around them in the ceiling void.
Fittings : GU10 are the ones you want – almost ubiquitous, and more robust.
Power : Like I say, I’ve used 35W equivalent (28W) halogens. OK in the dining room/hall (which also has a pendant light), a bit dim in the kitchen. At £1.99 from BLT Direct I figured it was a fairly low-risk gamble.
Do You Need to Change the Transformer for LED Lights?
Using the correct power supply or transformers for your LED lighting is important if you want it to work safely and efficiently.
Whether you’re installing new LED lights, transitioning from traditional forms of lighting like halogens or retrofitting your current fixtures, you may be required to replace your old transformers with LED drivers (these drivers are special types of transformers designed specifically for LEDs).
Some LED bulbs work with mains 240V or AC (Alternating Current) electricity. While other LEDs run on 12V DC (Direct Current).
But whatever type you decide to run with, all LED bulbs will require a driver to function properly. Mains voltage LEDs have the driver built in to the bulb, whereas the 12V LED bulbs use an external driver (like halogen bulbs do).
LEDs Use Much Less Power Than Halogens – Which Can Cause Problems
Halogen bulbs need a lot more power than LEDs do. Much more, in fact.
Which means halogen transformers provide a lot more power than LED lights need. Sometimes, you have to replace the old transformer with an LED driver to control the voltage and stop it blowing the LED (especially if you get lots of power surges from thunderstorms, for example).
So how do you tell if you need to change the transformers?
One way is to look at your old halogen bulbs and see if they have pins or pegs to plug them into the power circuit. Basically, pins need a new transformer and pegs do not. But it’s generally a good idea to install an LED driver regardless.
This is because the higher voltage from the halogen transformer can damage the LED and actually result in lower light output. You see, LEDs require such little power that they never pull the minimum wattage that the old transformer is rated for. Which leads to lights that are dim or flicker or lights that don’t turn on at all.
What Makes LED Lighting So Much Better Than Other Lighting?
LED – or Light Emitting Diode – together with OLED (Organic Light Emitting Diode – like that used in high-end TVs) and PLED (Polymer Light Emitting Diode) are classified under a technology known as Solid State Lighting (SSL).
Instead of electrical filaments, gas or plasma, SSL devices emit light through electroluminescence. This is when an electric current passes through a semiconductor diode causing it to dissipate energy as heat and light.
Compared to compact fluorescent lights (CFLs), SSLs don’t contain dangerous substances or shatter when they’re dropped. And they don’t emit ultraviolet radiation, which is notorious for bleaching artwork, flooring and furniture.
LED technology is fast replacing conventional incandescent and fluorescent lighting due to its low energy consumption and longer operational life.
Originally, LEDs were used as indicator lights in clocks, radio transmitters, christmas tree decorations and television sets. They then found their way into traffic lights, electronic billboards and car headlamps.
You will also find LED technology in flashlights, cameras, smartphone and TV backlighting and accent lighting. People continue to find interesting ways to use LED lights in car sunroofs, bionic contact lenses, motorcycle light strips and even glow in the dark eyelashes.
Types of LED Transformers or Drivers
Constant Voltage Transformers
Constant voltage transformers power products that call for a constant direct current voltage. They run LEDs that have a fixed voltage rating of 24V, 12V, 5V or a higher voltage rating with a maximum current.
Their flexibility makes them ideal for powering multiple parallel LEDs such as LED strips (the voltage output of the strips must meet the requirement for the whole LED string).
You can add more LEDs in a parallel system until you arrive at the maximum current of the transformer. There will only be one negative outcome – reduced brightness but the system will work flawlessly.
Constant voltage transformers are cheaper and popular with installation engineers and they are found in LEDs used in:
LED strips
Stage lights
Street lights
Outdoor lights
Constant Current Transformers
Constant current transformers are used to supply power to LEDs that have a current limiting resistor and run on a designated current measured in amps (A) or milliamps (mA) with a maximum voltage. They vary the voltage along the circuit, allowing the current to remain constant throughout your LED system.
If a never ending current and limitless voltage were to power an LED, it would continue to consume more current until it finally gave out. In this way, it maintains consistent brightness across all your high power LEDs and avoids thermal runaway, a phenomenon where excess current results in increased temperature and premature burn outs.
Due to their efficiency and better control of LED applications, constant current LED transformers are popular with designers. They are usually used for individual bulbs. If you choose to use these transformers in a series, none of your LEDs will work if the circuit is broken.
Constant current transformers are found in LEDs used in:
LED signs
Retail shops
Offices
LED downlights
Homes
Consider 6 Key Factors When Choosing an LED Transformer
Temperature
LED transformers operate safely and efficiently within their set temperature parameters.
Avoid placing your LED transformer in a poorly ventilated area as this will lead to heat build-up and damage.
Mean Time Before Failure
The life expectancy of a transformer depends on how well you run it on your LED applications. It will take thousands of hours for the transformer to flatline unless you disregard the recommended outputs when you’re running your LEDs.
Using the device correctly will prolong its lifespan and lower maintenance costs. According to LEDs Magazine, if the temperature of your LED transformer is properly controlled, it should produce more than 70% of its initial light output after 50,000 hours.
Output Voltage
This is specified in volts and it’s crucial to match the value you observe to your LED’s voltage requirement. If you plan to use multiple LEDs, sum up the individual voltages and then get a transformer that matches the value.
IP Rating
Determine how water or dust-resistant your LED transformer needs to be. Will it be prone to wetness, dust or solid objects after you install it?
An IP rating of 44 will protect it from objects that are thicker than 1mm and splashing water but not dust. An IP66 rated transformer will be protected from dust and water.
The IP rating is given as a number with the first digit representing protection against solid objects of different sizes while the second specifies the pressure of liquids such as water droplets.
Output Current
Observe the current requirements on the transformer usually specified in amps or milliamps. It can be given in values such as 350 mA, 500 mA, 700 mA, 1050mA or in a range like 0 mA to 500 mA.
Match the amp rating to the one required for your LEDs. You might want to run your LED applications at a lower current to improve durability.
Output Wattage
Ensure that the transformer has at least the same or higher value of watts as your LEDs for safety.
Your LED transformer will have a shorter life expectancy if the output is equal to the LED’s average power requirement. This is because the transformer is already running at maximum power.
If you intend to run more than one LED off of one transformer, find the total watts used by summing up the wattages. Next, take the total and add a 30% buffer to it then find a transformer rated for that wattage.
An electrician will charge at least 80 AUD per hour to change your transformer. Of course, you could do it yourself, but get it wrong and you could end up spending more in expesnive repairs or worse, hospital bills.
An expert on the other hand will maximise your LED lighting investment through proper wiring and set up. Get a few quotes and find a tradie who fits your budget.
Do all LED downlights need a transformer? – TheKnowledgeBurrow.com
Do all LED downlights need a transformer?
All mains powered LED bulbs require a transformer. Depending on the bulb type, the transformer/driver may be built in to the bulb casing or may be located externally.
Do you need a transformer for downlights?
IC Rated modular downlights do not require a transformer/driver as they are connected directly to a power supply. Therefore replacing halogen downlights with IC Rated modular downlights will save additional energy that would otherwise be consumed in the transformer/driver (i.e. between 1 and 15 watts each).
Do LED lights require transformers?
How Are LED Drivers Different From Electronic Transformers? LED drivers function. In other words, long-length strips of LED lights may require a power supply in excess of 200 W, and since LED drivers may be limited in power output to 100 or 200 W, an electronic transformer may be needed.
What type of transformer is used for LED lights?
FAQ – 12V Transformers and LED Compatibility. Magnetic transformers will generally work with all MR16 LED lights, albeit at the cost of efficiency and extra power consumption as was explored in this FAQ article. ‘LED drivers’ are electronic DC power regulators designed specifically for DC LED lighting.
Is an LED driver a transformer?
AC LED drivers are actually no-minimum load transformers, meaning they could technically operate low-voltage halogen or incandescent bulbs as well. LEDs, however, cannot operate with conventional transformers because conventional transformers were not made to detect the low wattage of LEDs.
What is the difference between a LED driver and a transformer?
A transformer converts AC to AC; e.g., 240V AC to 12V AC. An LED driver typically supplies a constant current (e.g, 150mA DC) to a fairly-low voltage load (e.g., 36V DC; 12x 3V series LEDs, probably paralleled), while being powered by a high-voltage (e.g., 240V AC) input.
Do you need a transformer for an LED light bulb?
In most common cases, the housing of the individual LED light bulb will contain the relevant driver suitable to power that bulb. This means that the bulb is ready for use and will not require any further consideration over drivers/transformers.
Do you need transformers for 240V downlights?
240v downlights do not require transformers. 12v downlights do. Neither are all that suitable for lighting rooms, and are horribly inefficient. You go from needing one single 20w CFL on a pendant fitting in a typical lounge, to requiring something like 200-400w of halogen downlights.
Do you need a transformer for MR16 LED bulbs?
Discuss Do MR16 Led bulbs require a LED driver or a transformer? in the Electrical Forum area at ElectriciansForums.net Quick question regarding 5x MR16 (Gu5.3) Led bulbs in downlighters. The customer used to use halogen but has moved over to LED. They had stopped working due to a faulty 12v transformer
What’s the difference between led and 12V Transformers?
‘LED drivers’ are electronic DC power regulators designed specifically for DC LED lighting. They are not suitable for 12VAC (halogen or LED retrofit) lighting. The fundamental difference between LED driver and 12VAC electronic transformer outputs can be found further down the page.
Information about keywords Do all downlights need a transformer
Below are the search results of topic Do all downlights need a transformer on Bing. You can read more if needed.
The article has been edited from various sources on the internet. I hope you found this article useful. Please share this article if you find it useful. Thank you very much!
Keywords people often search for about the topic ELECTRICIAN BRISBANE – DOWNLIGHT TRANSFORMERS VS. DRIVERS – ELECTRICAL CONTRACTOR HOT TIPS #11
- ELECTRICAL CONTRACTOR BRISBANE
- ELECTRICIAN BRISBANE
- DATA CONTRACTOR BRISBANE
ELECTRICIAN #BRISBANE #- #DOWNLIGHT #TRANSFORMERS #VS. #DRIVERS #- #ELECTRICAL #CONTRACTOR #HOT #TIPS ##11
Watch some other videos of topic Do all downlights need a transformer on youtube
So you have finished reading the ELECTRICIAN BRISBANE – DOWNLIGHT TRANSFORMERS VS. DRIVERS – ELECTRICAL CONTRACTOR HOT TIPS #11 | Do all downlights need a transformer topic article, if you find this article useful, please share it. Thank you very much.
