{"data":{"id":"us/30-cfr-75.1103-7","jurisdiction":"us","citation":"30 CFR 75.1103-7","heading":"-7 Electrical components; permissibility requirements.","body":"The electrical components of each automatic fire sensor and warning device system shall:\n(a) Remain functional when the power circuits are deenergized as required by § 75.706; and\n(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.","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"477f897547b224a182f43c51a9db8e0f48165730662ec3d489e93aeb2de779fe","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.1103-6","next":"us/30-cfr-75.1103-8"},"notice":"GroundRules: Original legal text. Not legal advice."}