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Subchapter 5. Electrical Safety Orders
Group 2. High-Voltage Electrical Safety Orders
Article 33. Mine and Tunnel Installations (Formerly Article 82)
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§2914. General.

(a) Scope. The provisions of this article shall apply to installation and use of high-voltage power distribution and utilization equipment which is portable and/or mobile, such as substations, trailers, or cars, mobile shovels, draglines, hoists, drills, dredges, compressors, pumps, conveyors, underground excavators, and the like.

(b) Other Orders. The requirements of this article shall be additional to, or amendatory of, those prescribed in Group 2 of these orders. Special attention shall be paid to Article 6.

(c) Protection Against Physical Damage. Conductors and cables in tunnels shall be located above the tunnel floor and so placed or guarded to protect them from physical damage.

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


1. Editorial correction including renumbering of former Article 82 to Article 33 filed 11-2-83 (Register 83, No. 45).

2. Amendment filed 12-10-87; operative 1-9-88 (Register 88, No. 1).

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