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While welding on ground, i earth one the terminals, how do I earth while welding on a ship that is afloat?

Answers:

1Attach the earth cable of the welding machine to the ship's hull, and attach the job you are welding also to the ship's hull. The current will flow through the steel structure of the hull.
Otherwise you can attach the earth cable of the welding machine directly to the job you are welding, if they are close together.

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