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Installing The Electrical Power Supply
The system requires four separate 3 phase power supplies. Power must be supplied to the CNC unit, the laser, the
chiller and the dust collector. Power should be supplied from a line separate from those for welding machines and
other processes that produce electrical noise. Ground rods must be installed next to the laser and CNC cabinets.
Laser and CNC grounding
cable gauge
at least same as power leads
grounding resistance
less than 10 ohms
A sample wiring layout is shown on the following pages.
Wiring entry and connect points are shown on pages 29.
LC3015 Theta User Installation Guide - October, 2003 27