30 C.F.R. § 77.507 Electric equipment; switches.
Title 30 - Mineral Resources
All electric equipment shall be provided with switches or other controls that are safely designed, constructed, and installed.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart F—Electrical Equipment—General
§ 77.507 Electric equipment; switches.
