{"data":{"id":"us/30-cfr-75.601-1","jurisdiction":"us","citation":"30 CFR 75.601-1","heading":"-1 Short circuit protection; ratings and settings of circuit breakers.","body":"Circuit breakers providing short circuit protection for trailing cables shall be set so as not to exceed the maximum allowable instantaneous settings specified in this section; however, higher settings may be permitted by an authorized representative of the Secretary when he has determined that special applications are justified:\nConductor size AWG or MGM Maximum allowable circuit breaker instantaneous setting (amperes)\n14 50\n12 75\n10 150\n8 200\n6 300\n4 500\n3 600\n2 800\n1 1,000\n1/0 1,250\n2/0 1,500\n3/0 2,000\n4/0 2,500\n250 2,500\n300 2,500\n350 2,500\n400 2,500\n450 2,500\n500 2,500","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 G—Trailing Cables"],"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":"3e8a084aecc7dc741f5643c24a8b9a53c2b11e2494331480ac0ed2acaa390665","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.601","next":"us/30-cfr-75.601-2"},"notice":"GroundRules: Original legal text. Not legal advice."}