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Discuss Ceiling recessed down lighters in the Electrical Forum area at ElectriciansForums.net

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Hi

can someone tell me what are the regs for fitting recessed down lighters into a ceiling , ie distance from joists etc , never fit them before ! .

spike
 
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Charlie_

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Arms
The distances from joists isn’t really a regs thing but a manufacturers’ guidance..
Used to be really important with the old halogens as there was a risk of fire.
50mm is usually the standard distance.
 

littlespark

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Advent Win
Just follow manufacturers instructions. Re ip rated if bathroom,
Try not to get them right next to a joist.
Don’t cover with insulation
 
  • Thread Starter Thread Starter
  • #4
Hi
Tks for reply , not actually got them yet , as far as I know there is no insulation in the ceiling and they will be fitted in the lounge .
Just was not sure if there was a reg covering the installation of these .

spike
 

Midwest

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Fitting LED down lights closer to a surface than manufacturers recommendation, can cause them to overheat and fail. Same as covering with insulation, unless specified by manufacturer as suitable.
 

ferg

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I can't think of any reason to install halogens either.

I could write a list of reasons not to though. :)
 
T

Toneyz

If it is the colour of halogen they like there are LED ones that give the same colour as halogen. As you say halogen I assume that you want to fit the ones with a lamp, not the all integeral ones.
 

James

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One thing about led lights that most people don’t realise is they flash.

Now a halogen type light will get slightly brighter and dimmer as the 50Hz cycle passes through the element heating it and allowing it to cool slightly.
Because of the reaction time of the element, it never turns off, just dims a bit.

Light emitting diodes can turn on and off at high frequency, going completely off between cycles this is why they are used to transmit high frequency digital data down fibre optic cables.
With all but some very specific types of led lamp, they are turning on and off at whatever frequency the driver circuit is providing.

This is regularly demonstrated on top gear, when they slow motion a car you will often see that the headlights and tail lights are flashing.

There are some study’s that show this type of lighting is bad for the brain and can affect people with a epilepsy.
 
Tks guy's for your replies , it seems that they want halogen lights not led !
If your customer prefers the light output of halogens over LED, they should give these a try:


I fitted them in our kitchen and utility room-they give a really nice quality of light that is very close to incandescent lighting. They have slightly lower lumens per watt than a lot of other LED GU10s so the downside (besides price!) is that you may need a few more fittings to get the right light levels.
 
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