30 C.F.R. § 57.22311 Electrical cables (II-A mines).
Title 30 - Mineral Resources
Only jacketed electrical cables accepted or approved by MSHA as flame resistant shall be used to supply power to distribution boxes and electrical equipment operating in face and bench areas. [57 FR 61223, Dec. 23, 1992]
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart T—Safety Standards for Methane in Metal and Nonmetal Mines
Equipment
§ 57.22311 Electrical cables (II-A mines).
