30 C.F.R. § 77.506 Electric equipment and circuits; overload and short-circuit protection.
Title 30 - Mineral Resources
Automatic circuit-breaking devices or fuses of the correct type and capacity shall be installed so as to protect all electric equipment and circuits against short circuit and overloads.
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
§ 77.506 Electric equipment and circuits; overload and short-circuit protection.
