Ceiling recessed down lighters

Spike1947 · Jun 8, 2019

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

Charlie_ · Jun 8, 2019

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 · Jun 8, 2019

Just follow manufacturers instructions. Re ip rated if bathroom,
Try not to get them right next to a joist.
Don’t cover with insulation

Spike1947 · Jun 8, 2019

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 · Jun 8, 2019

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.

Charlie_ · Jun 8, 2019

No reg in that respect.
They just need to have a decent clearance to allow for the heat to dissipate

Spike1947 · Jun 8, 2019

Tks guy's for your replies , it seems that they want halogen lights not led !

Welchyboy1 · Jun 8, 2019

Spike1947 said:
Tks guy's for your replies , it seems that they want halogen lights not led !

Is anyone still actually fitting halogen bulbs in downlighters?

SJD · Jun 8, 2019

Spike1947 said:
Tks guy's for your replies , it seems that they want halogen lights not led !

I'd decline to install halogen downlights now, without a very good reason (and I can't immediately think of one).

ferg · Jun 8, 2019

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

I could write a list of reasons not to though.

Charlie_ · Jun 8, 2019

I still install halogens but it’s only for specific lighting designs, certainly not for day to day installs..

Toneyz · Jun 8, 2019

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 · Jun 8, 2019

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.

Jim_e_Jib · Jun 8, 2019

Spike1947 said:
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:

Philips Master Expert Colour 5.5W GU10 LED Dimmable High CRI97

The Philips Master Expert colour range has an ultra high colour rendering score of CRI97. This means it will reproduce colours just like they should be under normal daylight conditions. Expert colour LED lamps are ideal for use in museums, galleries, restaurants and in homes that want something...

www.downlightsdirect.co.uk

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.

Spike1947 · Jun 8, 2019

Charlie_ said:
I still install halogens but it’s only for specific lighting designs, certainly not for day to day installs..

They want a row of about 6 above were a new sofa is going to be in the lounge !

Spike1947 · Jun 8, 2019

I think the only problem i have with halogen spots is the heat given off them , but not sure if 12v spots give the same heat off ! .

Spike1947 · Jun 8, 2019

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

I could write a list of reasons not to though.

tks for your reply , list some pls !

telectrix · Jun 8, 2019

Spike1947 said:
tks for your reply , list some pls !

i can.... LEDs run cooler, cheaper, don't melt choc blocks, don't burn joists, don't cause fires, rarely explode showering down red-hot bits of glass. and onandonand on.

Dave5678 · Jun 8, 2019

Spike1947 said:
They want a row of about 6 above were a new sofa is going to be in the lounge !

6! How big is the new sofa?

Spike1947 · Jun 8, 2019

telectrix said:
i can.... LEDs run cooler, cheaper, don't melt choc blocks, don't burn joists, don't cause fires, rarely explode showering down red-hot bits of glass. and onandonand on.

Hi tks for your reply , just asked that to show the client

Spike1947 · Jun 8, 2019

Dave5678 said:
6! How big is the new sofa?

Ha , not actually been to the house as yet

Spike1947 · Jun 8, 2019

I think they want them all along that side of the room

telectrix · Jun 8, 2019

cut a couple of 2 ft. sq. holes in the ceiling and fit 2 of these.

[ElectriciansForums.net] Ceiling recessed down lighters

Silly Sausage · Jun 8, 2019

Spike1947 said:
I think the only problem i have with halogen spots is the heat given off them , but not sure if 12v spots give the same heat off ! .

A 50W lamp gives off the same heat be it 12V or 230V
If you must fit halogens, fit 230V jobbies

Wilko · Jun 8, 2019

6 above their lounge - sounds like a heat lamp

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Toneyz

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Silly Sausage

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