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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 ...
turbojimmy's avatar
turbojimmy
Explorer
Feb 14, 2017
Chris Bryant wrote:
Voltage is all that matters- I run air conditioners off a 100 foot #12 cable all the time- voltage maintains above 115 volts.


Me too - plugged into a 20A outlet. No issues.

I always check for heat at the ends of the cord but haven't had any issues. I'd like to think if there were enough heat the breaker would trip.

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