30 C.F.R. § 77.704 Work on high-voltage lines; deenergizing and grounding.
Title 30 - Mineral Resources
High-voltage lines shall be deenergized and grounded before work is performed on them, except that repairs may be permitted on energized high-voltage lines if (a) such repairs are made by a qualified person in accordance with procedures and safeguards set forth in §§77.704–1 through 77.704–11 of this Subpart H as applicable, and (b) the operator has tested and properly maintained the protective devices necessary in making such repairs.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart H—Grounding
§ 77.704 Work on high-voltage lines; deenergizing and grounding.
