California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 5 - Electrical Safety Orders
Group 2 - High-Voltage Electrical Safety Orders
Article 33 - Mine and Tunnel Installations
Section 2922 - Enclosures

Enclosures for use in tunnels shall be drip-proof, weatherproof, or submersible as required by the environmental conditions. Switch or contactor enclosures shall not be used as junction boxes or raceways for conductors feeding through or tapping off to other switches, unless special designs are used to provide adequate space for this purpose.

1. Editorial correction filed 11-2-83 (Register 83, No. 45).

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.