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Geocritter's avatar
Geocritter
Explorer
Jul 11, 2014

Running single rig AC unit on a 20amp circuit.

My RV is a 1994 33' Holiday Rambler. I have a question about running my rigs AC (single unit only). It’s been hot here in the Crater Lake area and I’d like to run my AC, my concern is that my 30amp se...
Seeking Advice
tpi's avatar
tpi
Explorer
Jul 11, 2014
It should be OK if you manage loads. Monitor voltage and the temperature of the 20/30 adapter. Run elec. water heater when the air conditioner is not on. Same with microwave. Converter charger draw should be low if the batteries are fully charged. Laptop should be under 75 watts-most are way under that at this point.

I think the 20 amp will carry simultaneously the AC, the laptop (or LCD TV), the fridge, and the converter charger if the batteries are charged. But monitor.

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