Welding method for each base metal.
To weld on bonded steel sheet, pentite, zinc steel sheet and other thin coated materials
Positive connection・Iron (pickled, polished, blackened)
The positive connection is where the gun and earth connections are connected to each other in the same colour as the camlock on the body.
Reverse polarity connection・Iron (bonded steel sheet)
・Other thin coated materials
・Painted surfaces cannot be welded even if they are thin.
The reverse polarity connection is to connect the gun and earth connection to the different colour of the camlock on the body.