{"data":{"id":"us/30-cfr-77.704","jurisdiction":"us","citation":"30 CFR 77.704","heading":"Work on high-voltage lines; deenergizing and grounding.","body":"High-voltage lines shall be deenergized and grounded before work is performed on them, except that repairs may be permitted on energized high-voltage lines if (a) such repairs are made by a qualified person in accordance with procedures and safeguards set forth in §§ 77.704-1 through 77.704-11 of this Subpart H as applicable, and (b) the operator has tested and properly maintained the protective devices necessary in making such repairs.","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":"a07e387366ae045a510a5904c7fbee6a6651673ca0f5d82b732261a3f14e69c1","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-77.703-1","next":"us/30-cfr-77.704-1"},"notice":"GroundRules: Original legal text. Not legal advice."}