[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR28.1] [Page 156-157] 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 A_General Provisions Sec. 28.1 Purpose. Subpart A_General Provisions Sec. 28.1 Purpose. 28.2 Approved fuses. 28.3 Installation, use, and maintenance of approved fuses. 28.4 Definitions. Subpart B_Application for Approval 28.10 Application procedures. [[Page 157]] Subpart C_Approval and Disapproval 28.20 Certificates of approval; scope of approval. 28.21 Certificates of approval; contents. 28.22 Notice of disapproval. 28.23 Approval labels or markings; approval of contents; use. 28.24 Revocation of certificates of approval. 28.25 Changes or modifications of approved fuses; issuance of modification of certificate of approval. Subpart D_Quality Control 28.30 Quality control plans; filing requirements. 28.31 Quality control plans; contents. 28.32 Proposed quality control plans; approval by MSHA. 28.33 Quality control test methods, equipment, and records; review by MSHA: revocation of approval. Subpart E_Construction, Performance and Testing Requirements 28.40 Construction and performance requirements; general. 28.41 Testing requirements; general. Authority: 30 U.S.C. 957, 961. Source: 37 FR 7562, Apr. 15, 1972, unless otherwise noted. The purpose of the regulations contained in this Part 28 is: (a) To establish procedures and prescribe requirements which must be met in filing applications for the approval of fuses for use with direct current in providing short-circuit protection for trailing cables in coal mines, or the approval of changes or modifications of approved fuses; (b) to specify minimum performance requirements and to prescribe methods to be employed in conducting inspections, examinations, and tests to determine the effectiveness of fuses for use with direct current in providing short-circuit protection for trailing cables in coal mines; and (c) to provide for the issuance of certificates of approval or modifications of certificates of approval for fuses which have met the minimum requirements for performance and short-circuit protection set forth in this part.