The main shaft is hollow to allow passage of which cable harness?

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Multiple Choice

The main shaft is hollow to allow passage of which cable harness?

Explanation:
When a rotating shaft needs power or signals, a slip ring provides a continuous electrical connection between the stationary and rotating parts. The main shaft is hollow so the cable harness can run through it to reach the rotating side without twisting or snagging. This design lets the rotor receive power or control signals while it spins. A regular power cable or control wire wouldn’t be suited to pass through a rotating hollow shaft without risking wear or tangled lines, and hydraulic lines carry fluid, not electrical cables, so they’re not used as a cable harness.

When a rotating shaft needs power or signals, a slip ring provides a continuous electrical connection between the stationary and rotating parts. The main shaft is hollow so the cable harness can run through it to reach the rotating side without twisting or snagging. This design lets the rotor receive power or control signals while it spins. A regular power cable or control wire wouldn’t be suited to pass through a rotating hollow shaft without risking wear or tangled lines, and hydraulic lines carry fluid, not electrical cables, so they’re not used as a cable harness.

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