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We moved into our home last winter and completely at random the microwave would short the breaker. We know that it has 2 plugs for the same breaker but we only ever plug in the microwave on it and if we do its never at the same time. The house is a relatively new build about 7 years old. My brother came in the spring to check if he saw any issues with the plugs wiring which he didn't and then it never shorted again until it started getting cold again. Im going to try plugging it into another plug to see if its the microwave or the plug that is causing the issues. Other then getting my brother back in which can only be around christmas any ideas on what could be the problem?

  • What make and model is your breaker panel, and where is it located? Does the breaker trip instantly when the microwave is turned on, or does the microwave run for a few seconds, then trip the breaker? Does the breaker for the microwave circuit have a TEST button on it? – ThreePhaseEel Nov 30 '19 at 15:23
  • Hello, and welcome to Home Improvement. We'll need more information before we can help you. And, you should probably take our tour so you'll know how best to participate here. – Daniel Griscom Nov 30 '19 at 16:23
  • Sounds like humidity is a factor, finding out where will be interesting... – Solar Mike Nov 30 '19 at 16:35
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    When the breaker trips out -- are there other appliances that also shut down? Do they happen to be appliances you mainly use in the winter, like, gosh, a plug-in heater? – Harper - Reinstate Monica Nov 30 '19 at 18:28
  • I'm not sure about the breaker the house was built in 2013. The breaker is located in the basement. Yes it trips instantly, its not a gfi plug. I've tried plugging it in a different plug with nothing else on it and it also tripped it after a few runs, no other appliances shut down just the microwave. No plug in heaters here just baseboards. – Angela Solomon Dec 1 '19 at 16:09

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