California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 17 - Mine Safety Orders
Article 13 - Illumination
UNDERGROUND
Section 6993 - Illumination

Universal Citation: 8 CA Code of Regs 6993

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

(a) Stationary lights shall be provided during working hours of all shaft stations during such time that they are in actual use.

(b) All places where hoists, pumps, or other machinery is operating in the proximity of persons in the mine shall be so lighted that the moving parts of such machinery can be readily distinguished.

(c) Where practical, electric lights shall be used for all stationary lighting in the mine. Electric lights shall be kept at a safe distance from flammable materials.

(d) No open-flame light shall be left burning unattended on or near flammable materials.

(e) No gasoline, oil, or liquefied petroleum gases shall be taken underground for illuminating purposes.

This does not prohibit the use of permissible flame safety lamps in the mine.

(f) (17-10) Miner's individual electric cap lamps shall be carried for illumination by all persons underground.

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