ECFR SNAPSHOT / CURRENT THROUGH 2026-08-19

30 CFR 77.902-1

Fail safe ground check circuits; maximum voltage.

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
SUBPARTJ