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When inserting a copper wire, ensure it is inserted completely to the point where no copper is visible.

Only the insulation should be on the exterior of the controller board.

Exposed copper can lead to damaged components, component failures, and fire hazards, as it may result in a short circuit.

Always push the cable in as far as possible, and tighten the set screw while ensuring the cable is firmly in place.

Always ensure proper connection when connecting wires, even on the power supplies, drivers and VFD.

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