Why can't loose fiberglass contact non-IC rated recessed light?

Discussion in 'Electrical' started by St. Joseph, May 29, 2018.

  1. St. Joseph

    St. Joseph

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    I have loose (blown-in) fiberglass in my attic. If fiberglass is noncombustible, why then is not allowed to contact a non-IC rated recessed light?
     
    St. Joseph, May 29, 2018
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  2. St. Joseph

    g3vlftrevor

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    Glass fibre is a very good thermal insulator. The lights need to be able to get rid of waste heat to stop overheating and possible fires.
     
    g3vlftrevor, May 30, 2018
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  3. St. Joseph

    Don Farrell

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    If your light has a "Non IC" listing, it cannot be covered with insulation. It's not the heat on the fiber glass that's the problem. Non IC lights normally have a thermal fuse in them. If the heat internal to the lamp get's high enough the link will open and the light will shut off until it cools down.
     
    Don Farrell, Jun 4, 2018
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