Connecting Earth Return Cable And Clamp - Kemppi MasterTig 335ACDC Operating Manual

2.7 Connecting earth return cable and clamp

Keep the work piece connected to earth to reduce the risk of injury to users or damage to electrical equipment.
With the MasterTig 235ACDC and 335ACDC power sources, always connect the earth return cable to the negative (-)
connector.
1. Connect the earth return cable to the power source.
2. Ensure the earth return clamp is secured tightly to the work piece or work surface.
3. Ensure that the clamp's contact surface is as large as possible.
DC = MasterTig 325DC
ACDC = MasterTig 235ACDC and 335ACDC.
With the DC power source, in MMA welding only, the earth return cable can also be connected to the negative (-) con-
nector, depending on the application.
© Kemppi
MasterTig 235ACDC, 325DC, 335ACDC
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Operating manual - EN
1920900 / 1921