NM CID GS-9 Practice Questions - New Mexico CID GS-9 Elevators, Escalators And Conveyors Examination Exam

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A tall commercial traction elevator uses a compensation sheave in the pit. What electrical protective device must that sheave have?

A hall-position indicator A compensation-sheave switch that stops the car if the sheave leaves its normal range of travel (jump or tie-down failure) A comb-plate impact device A Phase II HOLD switch

Correct Answer:

A compensation-sheave switch that stops the car if the sheave leaves its normal range of travel (jump or tie-down failure)

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