30 C.F.R. § 57.17010 Electric lamps.
Title 30 - Mineral Resources
Individual electric lamps shall be carried for illumination by all persons underground.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart P—Illumination
§ 57.17010 Electric lamps.
