30 C.F.R. § 75.507 Power connection points.
Title 30 - Mineral Resources
[Statutory Provisions] Except where permissible power connection units are used, all power-connection points outby the last open crosscut shall be in intake air.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart F—Electrical Equipment—General
§ 75.507 Power connection points.
