Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 43 - TUNNEL CONSTRUCTION AND COMPRESSED AIR WORK
Subchapter A - TUNNEL CONSTRUCTION AND WORK IN COMPRESSED AIR
WORK IN COMPRESSED AIR-GENERAL
Section 43.55 - Lighting
Universal Citation: 34 PA Code ยง 43.55
Current through Register Vol. 54, No. 38, September 21, 2024
(a) All lighting in compressed air chambers shall be by electricity only. If practicable there shall be two independent lighting systems with independent sources of supply.
(b) The exterior of all lamp sockets shall be entirely nonmetallic.
(c) All portable incandescent lamps used shall be guarded by a wire cage large enough to enclose both lamp and socket.
(d) All incandescent lamps shall be so placed that they do not come in contact with any combustible material.
(e) Only heavy insulated or armored wire shall be used.
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