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-   -   Halogen light - wiring safety (http://www.diychatroom.com/f18/halogen-light-wiring-safety-10620/)

Arndavis 08-10-2007 07:16 PM

Halogen light - wiring safety
 
Hi, I have a question about halogen lights. I have a kitchen lighting fixture that is halogen and is flush mount to the ceiling. It seems to get extremely hot, and I was wondering if they have to be wired with any particular type of insulation on the Romex. The manufacturer did not state that 90 C insulated wire is required.

There is some insulation between the light and the ceiling, but the metal on the top of the light, which is only about 1/2 inch below the sheetrock on the ceiling, gets extremely hot. This is a 200W bulb. It's nice if you want to heat the kitchen, but I'm more worried about fire hazards.

Thanks,
Arn

Speedy Petey 08-10-2007 07:47 PM

Is the light UL listed? If so then follow the installation instructions. That's all.

The building wiring does not care what you hook up to it, other than overloading the circuit. The fixture will have the restrictions, not the wiring.

Arndavis 08-11-2007 03:32 AM

Yes, the light is UL listed. I would not consider installing anything that wasn't certified. And if I could decipher the Chinese installation instructions, I would probably be somewhat less concerned. The load on the circuit is within spec.

Thanks,
Arn

JohnJ0906 08-11-2007 06:46 AM

Arn, Do you have 90 deg. C. wiring? How old is your house? With older houses, it is possible that you do have cause for concern. If you have a relatively modern house, it will have 90 deg wire.


Does anyone know off the top of their heads what year romex changed to 90 deg conductors?

Stubbie 08-11-2007 02:30 PM

Quote:

There is some insulation between the light and the ceiling, but the metal on the top of the light, which is only about 1/2 inch below the sheetrock on the ceiling, gets extremely hot. This is a 200W bulb. It's nice if you want to heat the kitchen, but I'm more worried about fire hazards.
When I first read this I went on because I thought the replies pretty well covered things. As Speedy said you must follow the instructions for the light and that varies depending on the rating of the fixture. If it is IC rated then it can be in contact with insulation or some instructions say 1/2 inch. If it is non IC rated then you must maintain a minimum of 3 inches from insulation or whatever the manufacturer states....this goes back to reading the instructions.

Halogens are very hot, much hotter than incandescent, though technology is getting better with these lights it is critical to follow the clearance from combustibiles spec'd by the maker and add a little if possible.

Now a 200 watt halogen would be one hot son of a gun and I doubt... though I suppose possible.... that it can be within three inches of insulation or any combustible.

I would take a peak at the drywall or if trim ring is used take it off for a look see. If the drywall is showing discoloration I'd get that 200 watt bulb out of there.

Another thing is that many 120 volt incadescent fixtures will accept halogens now days. So it is possible somebody may have an over wattaged halogen in that fixture.

It is also possible that this is one of those quartz tube halogens and I would have to ask why on earth that is installed in a ceiling.

Can you get a picture posted?


Stubbie


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