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coast of Maine | Some where in a conduit/wall/box I would assume there is a melted wire/rat chewed/etc that is allowing current to flow where it is not supposed to.If you have metal conduit it could transfer a power source to either ground or maybe to the neutral depending how it was wired.I would shut off all breakers.Check your input lead with a meter .Then turn on each breaker (after testing each zone)individually.Be very careful around pooled water or steel pipe grabbing until you find the issue.You might be able to see a voltage change if you test current level if you compare zones.I had a rat/mouse chew once that actually burned part of wall but self extinguished ,,luckily ,no breaker trip even.I would check all grounding to earth rods first. | |
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Shop wiring riddle.
