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Old 06-23-2010, 09:00 PM   #1
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Recessed Lighting and Ductwork :-s


I'm not sure if this question is best suited for this forum or the HVAC forum, but here goes ...

I'm installing 5" recessed lighting in a suspended ceiling in my basement. The cans are non-IC rated. The ceiling is going to be hung about 6" below the joists (maybe a little more, but definitely no less). I have measured and planned the layout for the cans, but in one location there is a 5" duct branch from my furnace running the length of the joist cavity and running right above where I want a can to go. There is clearance between the top of the can and the aluminum duct, but not much. I expect the cans to get pretty hot, since they will be housing halogen bulbs, so my question ... is the a specified distance the cans need to be from ductwork? Any risk of the damage to the duct? Any ideas on how to mitigate risk or protect ductwork?

Help is always appreciated.

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Old 06-23-2010, 09:07 PM   #2
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Recessed Lighting and Ductwork :-s


No your fine if you think about it and IC can is rated to be in contact with insulation. They have a built in heat sensor so if it gets to hot it will shut off.

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Old 06-23-2010, 09:11 PM   #3
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Recessed Lighting and Ductwork :-s


thanks d, but these are non-IC. I was thinking the same way, that they would probably be fine if they were IC rated.
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Old 06-23-2010, 09:14 PM   #4
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Recessed Lighting and Ductwork :-s


Yeah nonic you have to be a few inches away from everything. Is it hard metal duct?
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Old 06-23-2010, 09:14 PM   #5
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Recessed Lighting and Ductwork :-s


Even the non-IC have the thermal cutouts.
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Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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