![]() That way the 50 amp can be easily upgraded to 50 amp again and voltage drop to receptacle would have been less. You should have saved the aggravation and pulled #6 and just swap it to a 30 amp breaker after inspection. ![]() The city inspector either didn't know his job or was being difficult. I saved over $100 in wire alone sticking with 10 gauge in the two circuits and extension cords.That wasn't a "work around".it's the proper way to set up an outlet for a dedicated welder circuit according to the NEC. 6 gauge will work and lessen any voltage drop BUT is a LOT more expensive. Last edited by reefera4m 12-24-2020 at 06:32 PM.īottom line - before you make an extension cord OR wire a circuit, make sure it will support the max amp draw of your machine(s) and NOT have an excessively high breaker. I saved over $100 in wire alone sticking with 10 gauge in the two circuits and extension cords. Works perfect.īottom line - before you make an extension cord OR wire a circuit, make sure it will support the max amp draw of your machine(s) and NOT have an excessively high breaker. Since the primary circuit was only about 15 ft from the circuit breaker I made up an 25' extension cord using 10 gauge wire. So I did as they suggested and passed the inspection. Use 10 gauge wire if less than 50 ft, a 30 amp circuit breaker and a 50 amp receptacle AND THEN JUST LABLE THE OUTLET "Welder Only" and refer the inspector to them or ask him to look up the State Code. When I told them that the Inspector wouldn't sign off on it they told me there was a "work around". So I called the Department of Labor and Industry (L&I) in my state (Washington) and they also advised me not to use a circuit breaker greater than 30 amps. They told me that doing so would void the warranty but they also recommended against any circuit breaker greater than 30 amp for safety.Ī dilemma for sure. I knew that that would be a potential problem and I contacted Miller about switching out the pigtail to a one that would plug into a 30 amp circuit. According to the City Inspector that required a total 50 amp circuit, 6 gauge wire and a 50 amp circuit breaker. However, as with ALL Miller welders at the time, the 180 came with a 50 amp plug. This machine, according to the specs and confirmed my Miller, pulls just 22 amps at max output. When I wired my new shop I wanted to add a couple of circuits for my Millermatic 180 (220v).
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