[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR28.21] [Page 149] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 28--FUSES FOR USE WITH DIRECT CURRENT IN PROVIDING SHORT-CIRCUIT PROTECTION FOR TRAILING CABLES IN COAL MINES--Table of Contents Subpart C--Approval and Disapproval Sec. 28.21 Certificates of approval; contents. (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 Sec. 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 Sec. 28.31.