Hypertherm HD4070 Rev.8 - Manual (Page 250)

APPENDIX A – SYSTEM GROUNDING
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a-4 HD4070 Instruction Manual
Figure a-2 Alternate Ground Connection Configuration
The preferred cable routing for this configuration is as shown, but it is acceptable to “daisy-chain” the grounds for
the gas console and other equipment to the ignition console. The ignition console should NOT be daisy-chained
through the other components to the work table.
Plasma Power Supply
(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
(PE)
(PE)