{"data":{"id":"us/30-cfr-27.33","jurisdiction":"us","citation":"30 CFR 27.33","heading":"Test to determine explosion-proof construction.","body":"Any assembly, subassembly, or component which, in the opinion of MSHA, requires explosion-proof construction shall be tested in accordance with the procedures stated in Part 18 of this subchapter.","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 27—METHANE-MONITORING SYSTEMS","Subpart C—Test Requirements"],"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":"5d2869a4077a07337f3d027c96db6c98fbf8b4039777724d53c560207764ff93","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-27.32","next":"us/30-cfr-27.34"},"notice":"GroundRules: Original legal text. Not legal advice."}