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honker
Lv 4
honker asked in Cars & TransportationMaintenance & Repairs · 9 years ago

Lincoln Welder Model 140 Setup Question?

I need to know the difference and WHY using the Flux-core wire the ground clamp has to be a positive ground connection. If using as a negative ground will there be a performance difference or safety issue.

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  • Sunny
    Lv 5
    9 years ago
    Favorite Answer

    I've never used positive ground welding, other than once or twice on a TIG welder, using aluminum.

    My welds always come out strong. So I don't think it's really an issue.

    Definitely not a safety issue.

    Source(s): Auto Tech
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