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This setup produces three different voltages If the voltage between the center tap (neutral) and each of the top and bottom taps (phase and antiphase) is 1 V (100%), the voltage across the phase and antiphase lines is 240 V (0%), and the neutral to "high leg" voltage isOn 1/240V, 3 phase Delta systems, watch out for phase 2, the wild leg Cannot put 1 volt loads on this phase, because voltage is 8 volts to neutral Sizing Feeders for Panels 1 Feeders to panels must be equal to or greater than ampacity of main breaker This assumes short runs with less than 3% voltage drop, copper feeders However, because they are phased Exactly the same, measuring the voltage shows double the voltage(Leg 1 1v, Leg 2 1v), as the two voltages are added together Three phase legs are 1deg out of phase, phase to phase Normally adding three legs together would add all the voltage together (360vac) 240v 3 Phase And 240v Single Phase Oem Panels 230 3 phase voltage per leg