Quote:
Originally Posted by TurnerFam
your electrician will certainly know what gauge ...
if your coach is a 30amp type, then it will be 12/2 or greater, more than likely, with a single Hot, a Neutral, and a ground.(3 prong plug/outlet) and a single 30amp breaker.
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30 amp service requires a min of 10/2 per the NEC.
With the distance involved I'm gonna guess a min of #8 copper. Use a voltage drop calculator. 50 amp would require #6.