30 CFR §28.21
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)Each certificate of approval shall contain a description of the fuse and a classification of its current-interrupting capacity and current rating.
- (b)The certificate of approval shall specifically set forth any restrictions or limitations on the use of the fuse in providing short-circuit protection for trailing cables.
- (c)Each certificate of approval shall be accompanied by a reproduction of the approval label or marking design, as appropriate, to be employed by the applicant with each approved fuse as provided in § 28.23.
- (d)No test data or specific laboratory findings will accompany any certificate of approval; however, MSHA will release analyses of pertinent test data and specific findings upon receipt of a written request by the applicant, or when required by statute or regulation.
- (e)Each certificate of approval shall also contain the approved quality control plan as specified in § 28.31.