{"data":{"id":"us/30-cfr-75.800","jurisdiction":"us","citation":"30 CFR 75.800","heading":"High-voltage circuits; circuit breakers.","body":"[Statutory Provisions]\nHigh-voltage circuits entering the underground area of any coal mine shall be protected by suitable circuit breakers of adequate interrupting capacity which are properly tested and maintained as prescribed by the Secretary. Such breakers shall be equipped with devices to provide protection against under-voltage grounded phase, short circuit, and overcurrent.","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 I—Underground High-Voltage Distribution"],"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":"3eed214150a5a92b1d5f6868f329a0bd256690a731fa34d8ab7d0275aae0e2de","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.706","next":"us/30-cfr-75.800-1"},"notice":"GroundRules: Original legal text. Not legal advice."}