{"data":{"id":"us/30-cfr-57.22303","jurisdiction":"us","citation":"30 CFR 57.22303","heading":"Approved equipment (I-C mines).","body":"Only electrical equipment that is approved by MSHA under the applicable requirements of 30 CFR parts 18 through 28 or approved under 30 CFR part 29 contained in the 30 CFR, parts 1-199, edition, revised as of July 1, 1999, shall be used underground, except for submersible sump pumps.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","Subpart T—Safety Standards for Methane in Metal and Nonmetal Mines"],"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":"1fb2e7efc9a404912e51f3ba5f01fbde42d98fa6c9f7eed24af4d48762ae9bd2","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.22302","next":"us/30-cfr-57.22304"},"notice":"GroundRules: Original legal text. Not legal advice."}