(a) Each applicant seeking approval of a fuse for use with direct
current in providing short-circuit protection for trailing cables shall
arrange for submission, at applicant's own expense, of the number of fuses
necessary for testing to a nationally recognized independent testing
laboratory capable of performing the examination, inspection, and testing
requirements of this part.
(b) The applicant shall insure, at his own expense, that the
examination, inspection, and testing requirements of this part are properly
and thoroughly performed by the independent testing laboratory of his
(c) Upon satisfactory completion by the independent testing
laboratory of the examination, inspection, and testing requirements of
this part, the data and results of such examination, inspection, and
tests shall be certified by both the applicant and the laboratory and
shall be sent for evaluation of such data and results to the U.S.
Department of Labor, Mine Safety and Health Administration, Approval
and Certification Center, 765 Technology Drive, Triadelphia, WV 26059. Fees calculated in accordance with part 5 of this title shall be submitted in accordance with § 5.40. (d) The certified data and results of the examinations, inspections,
and tests required by this part and submitted to MSHA for evaluation shall be
accompanied by a proposed plan for quality control which meets the minimum
requirements set forth in Subpart D of this part.
(e) Each applicant shall deliver to MSHA at his own expense, three
fuses of each size and type which may be necessary for evaluation of the
examination, inspection, and test results by the Bureau.
(f) Applicants or their representatives may visit or communicate with
Approval and Certification Center in order to discuss the requirements for
approval of any fuse, or to obtain criticism of proposed designs; no charge
shall be made for such consultation and no written report shall be issued by
MSHA as a result of such consultation.
U.S. Department of Labor | Mine Safety and Health Administration (MSHA) | 1100 Wilson Boulevard, 21st Floor | Arlington, VA 22209-3939 www.msha.gov | Telephone: (202) 693-9400 | Fax-on-demand: (202) 693-9401