{"data":{"id":"us/30-cfr-7.309","jurisdiction":"us","citation":"30 CFR 7.309","heading":"Approval marking.","body":"Each approved motor assembly shall be identified by a legible and permanent approval plate inscribed with the assigned MSHA approval number and a warning statement as specified in § 7.306(d) of this part. The plate shall be securely attached to the motor assembly in a manner that does not impair any explosion-proof characteristics.","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 7—TESTING BY APPLICANT OR THIRD PARTY","Subpart J—Electric Motor Assemblies"],"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":"46a955f84276781b26f4bc4a1d3c0f2177d4cd0e470cf7cc22342058a66ce0eb","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-7.308","next":"us/30-cfr-7.310"},"notice":"GroundRules: Original legal text. Not legal advice."}