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This edition of NFPA 70, National Electrical Code, was prepared by the National Electrical Code Committee and acted on by NFPA at its June Association Technical Meeting held June 13–16, 2016, in …

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ELECTRONIC FORMULAS Ohm's Law Formulas for D-C Circuits. Ohm's Law Formulas for A-C Circuits and Power Factor. In the above formulas 1 is the angle of lead or lag between current and voltage and cos 1 = P/EI = power factor or pf. Note: Active power is the "resistive" power and equals the equivalent heating effect on water.

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