{"data":{"id":"us/30-cfr-57.12002","jurisdiction":"us","citation":"30 CFR 57.12002","heading":"Controls and switches.","body":"Electric equipment and circuits shall be provided with switches or other controls. Such switches or controls shall be of approved design and construction and shall be properly installed.","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 K—Electricity"],"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":"649446f343abe8e515af0171afb58d337ec14f6f84f65fb055032c899f680289","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.12001","next":"us/30-cfr-57.12003"},"notice":"GroundRules: Original legal text. Not legal advice."}