30 C.F.R. § 57.12066 Guarding trolley wires and bare powerlines.
Title 30 - Mineral Resources
Where metallic tools or equipment can come in contact with trolley wires or bare powerlines, the lines shall be guarded or deenergized.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart K—Electricity
Surface Only
§ 57.12066 Guarding trolley wires and bare powerlines.
