{"data":{"id":"us/30-cfr-75.509","jurisdiction":"us","citation":"30 CFR 75.509","heading":"Electric power circuit and electric equipment; deenergization.","body":"[Statutory Provisions]\nAll power circuits and electric equipment shall be deenergized before work is done on such circuits and equipment, except when necessary for trouble shooting or testing.","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 F—Electrical Equipment—General"],"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":"b9afa8572f916da192eccd12bf07b29644841810562ad49f0805b95aec2637a1","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.508-2","next":"us/30-cfr-75.510"},"notice":"GroundRules: Original legal text. Not legal advice."}