Today was spent installing power receptacles for the CNC machines that the spindle (Router) and Vacuums will plug into for AC power with a remote switch for quick emergency shutdown on each. Time was also spent installing dedicated grounding lines to each of the stepper motors to the metal home built controller case. It is necessary to ground each motor housing to earth ground so that false positive limit switch signals are not an issue shown without grounding.

CNC Machine Safety Switches and Power Hookup – GuruBrew CRF

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