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Wiz's avatar
Wiz
Explorer
Jun 13, 2015

Main breaker trips with A/C and Microwave on.->RESOLVED

My main circuit breaker trips if we start the microwave when the A/C is running. Today when it happened, I forgot to turn off the AC before resetting the breaker and the A/C wouldn't start. I turned i...
westend's avatar
westend
Explorer
Jun 13, 2015
You could buy an inexpensive Kill-a-watt meter and see where the power is being used. My guess is that the microwave is drawing a large amount of current and the A/C is cycling. When the compressor is called on to cycle from the locked rotor position, it draws a lot of current, sometimes more that 20 amps.

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