Forum Discussion

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 ...
greenrvgreen's avatar
greenrvgreen
Explorer
Feb 23, 2014
Kettner's right as usual. I'm no electrical expert, but I've regularly used 200 ft of #10, and occasional 250 ft of mixed #10 and #12. No issues whatsoever all the way up to 25 amps.

Don't forget that resistance causes heat, and increases with heat, and where P Tuna camps, they don't got no heat.

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