Electrical Formulas and Calculations (2005) National Electrical Code

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Transcript of Electrical Formulas and Calculations (2005) National Electrical Code

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    w = 1 hp output work

    ded by volt-amps)

    $ COST $ -- Watts x Hours Used x Rate per Hour

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    To solve anun kno wn you w ill need to know two knowns.Put your finger on the one you want to solve and the

    other two knowns w ill show you how to solve it.

    TO FIND AMPS

    TO FIND VOLTS

    RESISTANCE

    A MPERA G E

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