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pianotuna's avatar
pianotuna
Nomad III
Feb 22, 2014

running an air conditioner on 250 feet of cord

Hi, Obviously voltage drop is going to be an issue. If I have a 20 amp 120 volt outlet, could I use #10 wire and place an autoformer at the RV end to deal with voltage drop? What about using ...
MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Feb 22, 2014
I did this once in a boatyard in Los Angeles. 235' from the receptacle. I was forced to use FOUR GAUGE coupled to a 30-amp twist lock receptacle*. Even then with the A/C I had to watch voltage carefully. The refrigerator was OK but not with low batteries in addition or a water heater element.

*Mating the two was a real exercise.

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