30 CFR 27.33 - Test to determine explosion-proof construction.

Regulations last checked for updates: Feb 07, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026

View all text of Subpart C [§ 27.30 - § 27.41]

§ 27.33 - Test to determine explosion-proof construction.

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.

authority: 30 U.S.C. 957,961

source: 31 FR 10607, Aug. 9, 1966, unless otherwise noted.

cite as: 30 CFR 27.33