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30-50/250 receptacle wiring without a neutral wire for TIG welder.

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  • 30-50/250 receptacle wiring without a neutral wire for TIG welder.

    I am running a 40A, 220v circuit for my TIG weld in the garage.

    I pulled a permit and was putting together a shopping list but I am stuck at the receptacle and how it is wired.

    I found (2) receptacles that only have (3) lugs two for HOT and one for the ground. NO NEUTRAL.

    I expected to find (4) lugs, red, black for HOT , white for neutral and green for ground. The following images are wired that way. Should I find a receptacle with the 4 lugs and run 8-3 romex or just run 8-2 romex.

    I don't want to cheap out or wire anything to save a buck....thanks in advance.
    Click image for larger version

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    It\'s sometimes better to be lucky than smart.

  • #2
    I am always answering my own posts here. 240v doesnt require a neutral, two hot and a bare ground. Thats it.
    It\'s sometimes better to be lucky than smart.

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