ok so i finally did the 220 in my garage, I did 15' 6-3 wire with a 40 amp breaker for my mm210, does that seem like a good set up? the book says to use a 40 amp breaker but didnt say much about the wire, is the 6-3 overkill? does it matter? would 8-3 be better?
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Outkast,
Well your 6-3 wire will have less resistance than the 8-3 and resistance causes heat. It will run cooler than the 8ga wire, in my opinion it isn't overkill. Besides look at it this way if you decide to get a bigger machine later on that will require more amperage at the breaker you already have the wire in place to handle it. I have my air compressor wired on 8ga wire when I could have used 10ga but I also am hoping for a bigger compressor too! (please santa? I've been a good welder this year!)
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Blondie_486Blondie (Owner C & S Automotive)
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