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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 ...
LittleBill's avatar
LittleBill
Explorer
Feb 23, 2014
greenrvgreen wrote:
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.



whats your starting voltage? and end voltage at 25 amps?

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