Combination head screws on neutrals, ground, trim, upper pan, and bond screw provide installation flexibility 3 phase, 1/240Volt or 1/8Volt, 100 Amp main breaker load center with 12spaces/24circuits;Http//wwwelectricalindustrynetworkcom In this video I am describing how a 3 phase panel is built and how the bussing works in accordance w/3 phase power
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