{"data":{"id":"us/30-cfr-57.12081","jurisdiction":"us","citation":"30 CFR 57.12081","heading":"Bonding metal pipelines to ground return circuits.","body":"All metal pipelines, 1,000 feet or more in length running parallel to trolley tracks, that are used as a ground return circuit shall be bonded to the return circuit rail at the ends of the pipeline and at intervals not to exceed 500 feet.","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 K—Electricity"],"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":"6d29eeb07aa37127091f063a0c735b4bce91785c6b7e96318147cbec0d5bb150","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.12080","next":"us/30-cfr-57.12082"},"notice":"GroundRules: Original legal text. Not legal advice."}