Tweco Merlin 6000 Plasma Cutting CE Slave Power Supply - Manual (Page 36)

APPENDIX A-2 Manual 0-2603
APPENDIX 2: TYPICAL MECHANIZED SYSTEM WORK
AND GROUND CABLE CONNECTIONS
Remote Control
or
Standoff Control
Earth
Ground
Master
Power
Supply
Work Cable
Workpiece
Earth
Ground
3-Phase
Input
A-01512
CNC Control
Slave
Power
Supply
Work Cable
3-Phase
Input
Earth
Ground
NOTE
Work Cable(s) must connect direct to workpiece.
DO NOT connect Work Cable(s) to earth ground and then to workpiece.