After driving rv on a couple errands I hooked up shore power as usual to house but this time blew house breaker. Tried another outlet, same thing. Shut main breaker in rv and plugged in again and have...
Turn off all of the other breakers then turn on the main. If it still trips and there are no loose/shorted wires inside the panel, replace the main breaker. They can go bad,
If it doesn’t trip, turn on the branch circuit breakers one at a time to see which one causes the issue.
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