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Thread: Exam question #2

  1. #1
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    Exam question #2

    This was a calculation that was on my exam I took and got wrong can someone please explain?Calculate the general lighting load for a two story school that is 80x140?My answer is 140x80x3=33,600va x1.25=4200va thanks

  2. #2
    Join Date
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    Placerville, CA, USA
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    Quote Originally Posted by Dsm View Post
    This was a calculation that was on my exam I took and got wrong can someone please explain?Calculate the general lighting load for a two story school that is 80x140?My answer is 140x80x3=33,600va x1.25=4200va thanks
    If each floor is 80x140, you are missing a factor of two!

    Sent from my XT1585 using Tapatalk

  3. #3
    Join Date
    Apr 2009
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    Quote Originally Posted by GoldDigger View Post
    If each floor is 80x140, you are missing a factor of two!

    Sent from my XT1585 using Tapatalk
    Maybe a typo, but he wrote down 4200va, not 42,000va, so off by a factor of 20.
    Electricians do it until it Hertz!

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