rolmiller
Jan 23, 2015, 12:33 PM
3 phase 208/120 Y panel
A to neutral 117.8, B to neutral 117.7. C to neutral 117.8 but
A to ground 140.0, B to ground 65.7, C to ground 172.2
I think I must have lost a neutral in one of my branch circuits and it is feeding back on my ground not sure. Difficulty is it is in a call ceter full of computers and the only way to narrow it down is to kill all the branch circuits in the panel and turn the circuits on one at a time until I find the circuit that is backfeeding. Am I on the right track? I s there an easier way to find it?
THOUGHTS?
A to neutral 117.8, B to neutral 117.7. C to neutral 117.8 but
A to ground 140.0, B to ground 65.7, C to ground 172.2
I think I must have lost a neutral in one of my branch circuits and it is feeding back on my ground not sure. Difficulty is it is in a call ceter full of computers and the only way to narrow it down is to kill all the branch circuits in the panel and turn the circuits on one at a time until I find the circuit that is backfeeding. Am I on the right track? I s there an easier way to find it?
THOUGHTS?