Which component stops the chairlift when a footrest obstruction is detected?

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Multiple Choice

Which component stops the chairlift when a footrest obstruction is detected?

Explanation:
Footrest switches are safety interlocks that monitor the footrest area. If something blocks or intrudes into the footrest space, these switches change state and signal the chairlift’s control system to stop the drive, preventing injury as the chair approaches, loads, or unloads. Other devices serve different purposes—an obstruction device handles obstructions elsewhere along the line, traveling cable tracking keeps cables properly guided, and call/send devices are for rider communication—not for stopping the chair due to a footrest blockage.

Footrest switches are safety interlocks that monitor the footrest area. If something blocks or intrudes into the footrest space, these switches change state and signal the chairlift’s control system to stop the drive, preventing injury as the chair approaches, loads, or unloads. Other devices serve different purposes—an obstruction device handles obstructions elsewhere along the line, traveling cable tracking keeps cables properly guided, and call/send devices are for rider communication—not for stopping the chair due to a footrest blockage.

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