pot light box enclosure

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  #1  
Old 02-13-11, 02:10 PM
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pot light box enclosure

ok i have finished doing the things in the living room ( torn down a wall drywall, spray porcorn, extended the laminate floor paint the living room) now i want to put pot lights, in the ceiling. i was told that if i wan to use potlight when there is insulation you have to cover the fixture up in the attic with this metal box and then cover it with a vapor barrier. this is because of fire hazard.

is this something tha has to be done?
 
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Old 02-13-11, 03:10 PM
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You have to keep insulation away from the light unless it is an "IC" can. It will say so on the package. I would buy those. that way, you can lay your insulation right over it. The reason for building boxes over the non-IC cans is to prevent heat from damaging surrounding insulation, wood, paper, etc. Better to use IC cans, anyway.
 
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Old 02-13-11, 06:40 PM
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Boxes are also required by some building depts in multi dwelling units when a fire rating needs to be maintained between floors. I need to put them in a condo complex once. We used premade metal enclosures that screwed into the joists, then the light was installed in the box. As to the OP's question, unless this an apartment i see no need for the fire boxes. As chandler suggested, use IC rated cans and you will be fine.
 
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Old 02-15-11, 01:43 PM
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what is an "ic" can. i think i will put a metal box then just to be safe.
 
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Old 02-15-11, 02:46 PM
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IC refers to being rated for insulation contact. Non-IC housings typically require a 3" gap in the thermal insulation surrounding the fixture.
 
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