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long life incandescent

Discussion in 'Lighting' started by Albright's Accessories & Light, Jul 26, 2003.

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  1. I am trying to replace some light bulbs for a church. The lamp is made by
    Perma ML and claims 20,000 hours for a 150 watt PS23 clear lamp at 120
    volts. Nothing I know of comes close to this lifespan. Any ideas?

    Jim Miller
    Albright's Accessories & Light
    Akron, Ohio
    Phone: 330.836.1123
    Fax: 330.836.1133
  2. JM

    JM Guest


    The 10 and 20 thousand hour bulbs that I know of are literally 7 lpw. Is it
    possible to install CFL's? At best, a 150w lamp of that lifespan is going to
    be 1100 lumens, which is very doable by CFL's.
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