{"data":{"id":"us/30-cfr-77.704-11","jurisdiction":"us","citation":"30 CFR 77.704-11","heading":"-11 Use of grounded messenger wires; ungrounded systems.","body":"Solely for purposes of grounding ungrounded high-voltage power systems, grounded messenger wires used to suspend the cables of such systems may be used as a grounding medium.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF 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":"dd749fddb5d59e2d10a53d0ee2074da8beb9b2beaeb1f112bf26ab6ce9f93307","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-77.704-10","next":"us/30-cfr-77.705"},"notice":"GroundRules: Original legal text. Not legal advice."}