{"data":{"id":"us/30-cfr-28.20","jurisdiction":"us","citation":"30 CFR 28.20","heading":"Certificates of approval; scope of approval.","body":"(a) MSHA shall issue certificates of approval pursuant to the provisions of this subpart only for individual, completely fabricated fuses which have been examined, inspected, and tested as specified in § 28.10, and have been evaluated by MSHA to ensure that they meet the minimum requirements prescribed in this part.\n(b) MSHA shall not issue an informal notification of approval.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS","PART 28—FUSES FOR USE WITH DIRECT CURRENT IN PROVIDING SHORT-CIRCUIT PROTECTION FOR TRAILING CABLES IN COAL MINES","Subpart C—Approval and Disapproval"],"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":"f716b2e67e356310acb9e18258f479095f914e636666f4607bd4b09a28ed5fda","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-28.10","next":"us/30-cfr-28.21"},"notice":"GroundRules: Original legal text. Not legal advice."}