{"data":{"id":"us/30-cfr-75.700-1","jurisdiction":"us","citation":"30 CFR 75.700-1","heading":"-1 Approved methods of grounding.","body":"Metallic sheaths, armors and conduits in resistance grounded systems where the enclosed conductors are a part of the system will be approved if a solid connection is made to the neutral conductor; in all other systems, the following methods of grounding will be approved:\n(a) A solid connection to a borehole casing having low resistance to earth;\n(b) A solid connection to metal waterlines having low resistance to earth;\n(c) A solid connection to a grounding conductor, other than the neutral conductor of a resistance grounded system, extending to a low resistance ground field located on the surface;\n(d) Any other method of grounding, approved by an authorized representative of the Secretary, which ensures that there is no difference in potential between such metallic 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":"ef7dcde31b855ea2e893f7447f323b32ad0f0818b7dba3a0d8d7f970dc11315a","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.700","next":"us/30-cfr-75.701"},"notice":"GroundRules: Original legal text. Not legal advice."}