Quote:
Originally Posted by rspicy
As long as your wire size is rated for the 50 amp service you can rely on your internal breakers the cord would need to be # 6 wire for the 50 amps and the 30 amp would need to be number 10 wire. Undersized wire could cause heat issues
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Nobody with a 30 Amp RV has a 50 Amp cord, nor is there any reason to have one, the RV will not pull more than 30 Amps for very long before it's breaker trips. Breakers/interrupts are sized so that voltage is interrupted closest to the load.