Posted 1/1/2014 11:09 (#3563326 - in reply to #3562786) Subject: Re: What size ground wire on a 50 amp 230V four wire circuit?
NEC code 630-11 allows for smaller gauge wire to be ran on a 50 amp circuit IF the circuit is solely dedicated to the welder due to the duty cycles on a welder. If it isn't that long of a run just run #6 hots and 10 on the ground and be done with it to avoid any future complications.
What size ground wire on a 50 amp 230V four wire circuit?
