Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 166)

APPENDIX A – SYSTEM GROUNDING
HYPERTHERM Plasma Systems a-3
Figure a-1 Recommended Ground Connection Configuration
Note: Configuration may vary for each installation and may require a different ground scheme.
Plasma Power Supply
(PE)
(PE)
(PE)
(PE)
Power Cord
Ground
Ferrite Choke
Supplementary
Grounding Rod
Gas Console
Other Equipment
receiving power from the
plasma power supply
Ignition Console
Work Table