{"data":{"id":"us/30-cfr-7.62","jurisdiction":"us","citation":"30 CFR 7.62","heading":"Definitions.","body":"The following definitions apply in this subpart:\nBlasting circuit. A circuit that includes one or more electric detonators connected in a single series and the firing cable used to connect the detonators to the blasting unit.\nBlasting unit. An electric device used to initiate electric detonators.\nNormal operation. Operation of the unit according to the manufacturer's instructions with fully-charged batteries, with electric components at any value within their specified tolerances, and with adjustable electric components set to any value within their range.","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 D—Multiple-Shot Blasting Units"],"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":"f7af1d7fef54e0c14f2749710fdc62922d27af9b01d771b520c43db71d55e66a","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-7.61","next":"us/30-cfr-7.63"},"notice":"GroundRules: Original legal text. Not legal advice."}