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How to Wire a Lincoln Welder Circuit


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Summary: Electrical Circuits Question: A friend wants me to hook an old lincoln welder up in his shop. It can be hooked up using 220/480 volts.

Electrical Circuit for a Lincoln Welder



Electrical Circuit for a Lincoln Welder

A friend wants me to hook an old lincoln welder up in his shop. It can be hooked up using 220/480 volts.

His panel is a 208/120v panel. Is it possible to hook it up using 208v instead of 220v without ruining the welder?

Since it is only 12volts less would it really matter?
I mean it's only about 6% vd

Robert T.




Hi Robert - Great Electrical Repair Question!
You should not have a problem, but it may be a good idea to check with Lincoln because the lower voltage may cause the transformer to produce a little more heat when turned up to the higher amperage settings


Keep in mind that the power produced by the welder will be about 6% less which may also affect the welding on some of your applications.
Dave Rongey, Licensed Electrical Contractor, Assisting with Home Electrical Troubleshooting and Electrical Repairs



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