{"data":{"id":"us/30-cfr-75.902-2","jurisdiction":"us","citation":"30 CFR 75.902-2","heading":"-2 Approved ground check systems not employing pilot check wires.","body":"Ground check systems not employing pilot check wires will be approved only if it is determined that the system includes a fail safe design causing the circuit breaker to open when ground continuity is broken.","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 J—Underground Low- and Medium-Voltage Alternating Current Circuits"],"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":"2359a82698a50b0bc0cc9dbb8d6fb10b515f0e17f842a9e04a7782fbead77fc4","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.902-1","next":"us/30-cfr-75.902-4"},"notice":"GroundRules: Original legal text. Not legal advice."}