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Electrical Wire and Cable

Why Does my Circuit Breaker Trip when I use the Microwave Oven?

The electrical load of the toaster and the microwave over exceed the amperage of the existing shared circuit.

Electrical Question from Robert about Tripping Circuit Breaker

Received from Robert a Homeowner in Sewell, New Jersey

Question: My microwave is positioned above my stove (Kenmore). My toaster is plugged into the outlet next to the stove. When I use both simultaneously my circuit breaker trips. Any ideas why this happens?

Dave’s Reply:
Thanks for your electrical question.
Hi Robert – The problem is that you do not have a dedicated circuit for the microwave oven. The electrical load of the toaster and the microwave over exceed the amperage of the existing shared circuit. The best solution is to have a dedicated circuit installed for the microwave oven. Never increase the size of the circuit breaker because this would create a potential fire hazard.

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