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Adequate 220 voltage for MIG

wwdubose's Avatar

Join Date: Feb 2018
Posts: 2

02-14-18, 12:28 AM   #1 (permalink)  
Adequate 220 voltage for MIG

I have a shop with a sub panel that is approx 150í from main breaker. I have a 50-amp double pole breaker in the main panel with #6 wire running to sub panel in shop. Iíve never had a reason until now to wire 220v, but plan on getting a Hobart 210mvp or 230 Ironman. Am I wasting my time wiring 220v for either of these welders with my current setup? Will the voltage loss be too much for the size wire and distance?

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Furd's Avatar

Join Date: Mar 2006
Posts: 18,304

02-14-18, 01:53 AM   #2 (permalink)  
Well, you might be wasting your time because it is extremely doubtful that you have 220 volts. Standard voltage in the US is 240 and even then it might be a little higher.

As for the welder, it only draws 37 amperes maximum. At 150 feet with #6 copper conductors you can "pull" 50 amperes with the recommended 3% voltage drop. You are fine.

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