ECFR SNAPSHOT / CURRENT THROUGH 2026-08-19

30 CFR 77.809

Identification of circuit breakers and disconnecting switches.

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

SUBPARTSubpart I—Surface High-Voltage Distribution

CURRENT PUBLIC TEXT

Circuit breakers and disconnecting switches shall be labeled to show which units they control, unless identification can be made readily by location.