ECFR SNAPSHOT / CURRENT THROUGH 2026-08-19

30 CFR 77.701-1

Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.

CHAPTERCHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
PARTPART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
SUBPARTH