Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 7 - ELEVATORS, LIFTS, ESCALATORS, DUMBWAITERS, HOISTS ANDTRAMWAYS
Subchapter F - POWER-OPERATED SPECIAL INDUSTRIAL SERVICE ELEVATORS
SPECIFICATIONS
Section 7.193 - Limit switches

Universal Citation: 34 PA Code ยง 7.193
Current through Register Vol. 54, No. 38, September 21, 2024

Upper and lower normal stopping devices shall be provided, set to stop the car at the upper and lower terminal landings. Final stopping devices shall be provided and set to stop the car before it strikes the overhead or pit bottom, if the car passes the terminal landings. The final terminal stopping device shall act to prevent movement of the car in both directions of travel. The normal and final terminal stopping devices shall not control the same switches on the controller unless two or more separate and independent switches are provided, two of which shall be closed to complete the motor and brake circuit in each direction of travel. Drum-type machines shall also be provided with automatic machine terminal stop switches.

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