Quote:
Originally Posted by Red88Carrera
I think you already found the problem.
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Not an electrician but..
There shouldn't be any junction boxes. Definitely not on a main leg.
The wiring from the house to garage sub panel should be continuous and oversized for total load.
That includes lights, compressor, and welder being used at the same time.
Feed wire and breaker should be same stats, or breaker should trip early. That's the safety link.
Then, each leg in garage should be connected individually to bus and breaker.