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-   -   NEC code (http://www.diychatroom.com/f18/nec-code-164566/)

monelli1953 11-24-2012 05:01 PM

NEC code
 
I am wiring a 480 VAC 100 AMP 3 Phase circuit. I am using #3 AWG wires for the power and I would like to know if I can use #4 AWG wire for my ground?

brric 11-24-2012 06:47 PM

# 8 Cu is sufficient for the equipment grounding conductor on a 100 amp circuit.


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