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Discussion Starter · #1 · (Edited)
I was wandering if anyone had explanation why I have 208volts to ground on one of the relay coil terminals on the lighting control contactor. I believe it was a 12 pole unit the controls rooftop bathroom exhaust fans. Each pole has its own circuit which is nipple thru a sub panel above???
Between the red and black terminals to the right I get 120volt. But, between red and grd 208volt.
 
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