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Thread: CPCV Supply And Lamp Heat

  1. #16
    Aspiring Old Fart, EE, computer & networking geek Mikey's Avatar
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    Nov 2005
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    Central Florida
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    2,687

    Default The envelope, please...

    Halo 6" IT/AC can with a 65W flood at full brightness for two hours, attic ambient temperature 121F, can packed in rock wool insulation. Can temperature measured at top of cylindrical portion with a lab thermometer stuffed between the can and the insulation: 152F. I laid a short piece of CPVC on top of the can and held it down with a 1lb lead weight. Both the CPV and the lead were warm (duh!). CPVC could be hand held, no sign of any melting, distortion, etc.

    Disclaimer: your mileage may vary.

  2. #17
    Jack of all trades, Master of none KULTULZ's Avatar
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    Nov 2006
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    ROCKVILLE, MD
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    85

    Thumbs up

    That is appreciated. I think with the proper distance and placing of insulation, there should be little damaging heat build up.
    Jack of All Trades...

    ...Master of None...

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