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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 ...
time2roll's avatar
time2roll
Nomad
Feb 14, 2017
theoldwizard1 wrote:
time2roll wrote:
Verify running voltage is 108+ inside the RV and check for excessive heat at the connections.
Otherwise you are good to go.

I would be happier if it was >110V.
Yes and 122 would even be better.
If the voltage measurement is posted we can comment on the actual situation.

Kill-A-Watt will read voltage very easy. Power does not need to go through the device.

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