I've read about a microwave tripping it's in-circuit GFCI, but mine trips a separate circuit at the opposite end of the house and only when my computer is running on that second circuit. This started only a few days ago after almost 5 years of normal operation.
I've replaced the GFCI and it persists.
I moved the microwave into another room on a different circuit and initial testing indicates that everything may be back to normal, but that isn't a convenient place for the appliance. Also, the microwave recently started making a new noise, a buzzing, on start, whether this is coincidental, I don't know.
They are on separate circuit breakers and in far ends of the house, so I would *presume* that the only place the ground wires came together would be in the circuit breaker panel box, just like all the individual circuits.
the ground wires are different that the neutral wires, Figuring out if they are on a common neutral is not difficult but if done improperly, can damage anything plugged into either of the circuits..
the easiest and safest way I know to check is with a clamp on ammeter. Got one laying around by chance?
Either bad GCFI outlets, or too much load on the Circuit. As for the Clamp-on, if you want to use a C clamp, go ahead, but what the OP is talking about, is a device that uses Induction to take the reading.
damn frank you beat me to it. Was about to ask why nobody's telling you to get a new microwave because it's obvious that's the problem.
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