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Thread: Load Calculation - Wire Size

  1. #1
    Join Date
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    Load Calculation - Wire Size

    On the attached load calculation, does the feeder ampacity have to be large enough to carry the Calc kva, or the balanced 3 ph amps ?

    which value do I use :-?
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  2. #2
    Join Date
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    Quote Originally Posted by texassparky View Post
    On the attached load calculation, does the feeder ampacity have to be large enough to carry the Calc kva, or the balanced 3 ph amps ?

    which value do I use :-?
    Same difference.

    2650kVA/480V/1.732=3190A (rounded to 3 sig' fig's)

  3. #3
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    Ahhh...kva to amps thanks !

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