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  1. FlaBouy

    480V single phase lighing on 3 phase breaker

    So I am to assume that 15 2.4A fixtures comnnected A-B, B-C, C-A on a three phase source would be 12A * sqrt(3)? being as balanced loads would be 5 sets 2.4A * 1.732 or 20.8A?
  2. FlaBouy

    480V single phase lighing on 3 phase breaker

    Hi guys, new member here. Can someone explain how one figures breaker size/fixture quantity for 480V single phase 1000W metal halide fixtures on a three phase feeder utilizing a 3 pole contactor fed with a 3 pole 480V breaker. Switching is via 120V control. I understand balancing single phase...

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