obpowell23 obpowell23

27-10-2020
Engineering

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What must be done before you change the polarity on a welding machine?
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TacoTuesday75 TacoTuesday75

27-10-2020

Answer:

Usually it can be changed by flipping a switch. If your machine does not have one, then you just need to exchange the cables to the electrode holder and ground clamp.

Explanation:

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