# 30 CFR 77.809 — Identification of circuit breakers and disconnecting switches.

- **Chapter:** CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
- **Subchapter:** SUBCHAPTER O—COAL MINE SAFETY AND HEALTH
- **Part:** PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
- **Subpart:** Subpart I—Surface High-Voltage Distribution
- **Snapshot current through:** 2026-08-19
- **Official eCFR:** https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-I/section-77.809

## 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.

## Provenance

- Source: Electronic Code of Federal Regulations, Title 30
- Representation: Realm public-data crosswalk
- Legal status: The eCFR is an editorial compilation; consult the official source before relying on the text.