30 C.F.R. § 57.12021 Danger signs.
Title 30 - Mineral Resources
Suitable danger signs shall be posted at all major electrical installations.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart K—Electricity
Surface and Underground
§ 57.12021 Danger signs.
