30 C.F.R. § 57.12018 Identification of power switches.
Title 30 - Mineral Resources
Principal power switches shall be labeled to show which units they control, unless identification can be made readily by location.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart K—Electricity
Surface and Underground
§ 57.12018 Identification of power switches.
