In my 2018 272UFL Outback, the ems shows the microwave draws 11 amps, and the ac draws about 16 amps. If I put both on at the same time, that's 27 amps without considering the draw of the converter trying to charge the battery and run lights and the water pump, the fridge controller and the hot water controller. All that on a 30 amp system.
We turn the ac off when we want to use any other 110v appliances.
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