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Message: <blockquote data-quote="Bigdawg90" data-source="post: 4353351" data-attributes="member: 49831">Maybe I’m way out of my league here, but the basic question of running a 12 amp table saw off a 50 amp breaker is fine.  There is zero re-wiring needed.  A GFCI can’t run most welding rigs because welding requires grounding the circuit, but that isn’t relevant here.Just a personal opinion but that sounds like buying a brush hog to trim a tree.If what you’re talking about is installing a sub-panel from that 50 amp breaker to run a 50 amp and a 30 amp breaker to two different 220V outlets, that’s a good idea.  You’d want a 60-100 amp sub panel loaded with a 50 amp and a 30 amp breaker.If I’m reading it correctly thats what you want.  Wiring in a sub panel from an existing 220v breaker is really easy and well within DIY.  Even if you need to run new wiring it should still be easy.  I don’t understand why you’d need to fab anything.  If you just want to fab it, you could just go get one from Home Depot, don’t open it and then copy its design.</blockquote>