Ax14728g.aw - US Forest Service

120/208 Volt, 3 phase, 4 wire, Wye; 277/480 Volt, 3 phase, 4 wire, Wye. ... 1 to 2, 2 to 3, 1 to 3 on three phase, 1 to neutral, 2 to neutral for single phase. Full Load Voltage Measurements: Turn on all branch circuit breakers. Turn on all electrical equipment, (measure amperage on main line to make sure main circuit breaker or fuse won't be ... ................
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