{"data":{"id":"us/30-cfr-57.14160","jurisdiction":"us","citation":"30 CFR 57.14160","heading":"Mantrip trolley wire hazards underground.","body":"Mantrips shall be covered if there is danger of persons contacting the trolley wire.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","Subpart M—Machinery and Equipment"],"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":"70f861ad15369305fac6b3ba365596ac40ee76057db2709335404e5ee72953ee","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.14132","next":"us/30-cfr-57.14161"},"notice":"GroundRules: Original legal text. Not legal advice."}