GroundRules
30 CFR 75.1103-7: -7 Electrical components; permissibility requirements.
Where this section sits in the code
- Title 30—Mineral Resources
- CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
- SUBCHAPTER O—COAL MINE SAFETY AND HEALTH
- PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
- Subpart L—Fire Protection
The electrical components of each automatic fire sensor and warning device system shall:
(a) Remain functional when the power circuits are deenergized as required by § 75.706; and
(b) Be provided with protection against ignition of methane or coal dust when the electrical power is deenergized as required by § 75.313, but these components shall be permissible or intrinsically safe if installed in a return airway.
Collected 2026-08-27T02:25:24Z. Source file · JSON