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mustanglover32's avatar
mustanglover32
Explorer
Feb 14, 2017

Running A/C with extension cord into 20 amp outlet.

Trying to figure out if what I'm trying to run below is moving too close to the limits of a 20 amp 120V outlet and limits of a 12 gauge extension cord that is 25 feet. Trying to run a 135K BTU A/C ...
Sandia_Man's avatar
Sandia_Man
Explorer II
Feb 14, 2017
As you have noted it will work and you have checked connections and verified temp increase is not excessive. When I do the same and run our rig's AC here at home I keep an AC voltmeter (Amazon/Ebay for a few bucks) plugged into one of the interior outlets to keep an eye on voltage drop as I don't like to go much lower that 108Vac, don't want to harm compressor with low AC voltage.

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