Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 7 - ELEVATORS, LIFTS, ESCALATORS, DUMBWAITERS, HOISTS ANDTRAMWAYS
Subchapter D - STAGE, ORCHESTRA, ORGAN CONSOLE AND LUMBER ELEVATORS
Section 7.113 - Control apparatus

Universal Citation: 34 PA Code ยง 7.113

Current through Register Vol. 54, No. 38, September 21, 2024

(a) Operating switches shall be provided in a suitable location on the platforms of orchestra and organ console elevators. Emergency stop switches shall be provided and placed adjacent to the operating switches in as convenient a location as possible. A manually-operated double-pole disconnecting service switch shall be installed in the main line to cut off power from the operating machinery. When alternating current is used, reverse phase relays shall be provided.

(b) Lumber elevators shall be operated by switches or buttons located at a point where the entire shaftway is visible. Buttons shall be of the constant pressure type. Hand switches shall be of the self-centering type.

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