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  • Users: rin9137
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  1. rin9137

    Branch Circuit Component Sizing

    Hopefully you guys can assist me in settling a debate at my office. We design control centers that run pumps and resistive electric heaters. The question at hand is where in NFPA70 / 79 addresses how to size the 480VAC 3P components? There is no question that the overcurrent protection is to...

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