there are two possibilities: a) breaker gone bad b) there's a fault on the line between outside and inside breaker, you might wanna do a visual inspection on the line/cable from the power meter to your 200 amps main breaker inside your house first.
Quote:
Originally Posted by Kreij
The only other reason would be that the breaker is accessible to anyone and someone is shutting it off on you.
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if someone open the breaker, the breaker's handle should be in open position, not trip position, well, unless that person push the trip test button on the breaker
