{"data":{"id":"us/30-cfr-75.701-1","jurisdiction":"us","citation":"30 CFR 75.701-1","heading":"-1 Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.","body":"For purposes of grounding metallic frames, casings and other enclosures of equipment receiving power from ungrounded alternating current power systems, the following methods of grounding will be approved:\n(a) A solid connection between the metallic frame, casing, or other metal enclosure and the grounded metallic sheath, armor, or conduit enclosing the power conductor feeding the electrical equipment enclosed;\n(b) A solid connection to a borehole casing having low resistance to earth;\n(c) A solid connection to metal waterlines having low resistance to earth;\n(d) A solid connection to a grounding conductor extending to a low resistance ground field located on the surface;\n(e) Any other method of grounding, approved by an authorized representative of the Secretary, which ensures that there is no difference in potential between such metal enclosures and the earth.","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 H—Grounding"],"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":"f5f88b5eae7b8720f33b1a442e7fef4dfe2fc03d7bdb7ba9a4d7cba2747f8415","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.701","next":"us/30-cfr-75.701-2"},"notice":"GroundRules: Original legal text. Not legal advice."}