PART 28--FUSES FOR USE WITH DIRECT CURRENT IN PROVIDING SHORT-CIRCUIT PROTECTION FOR TRAILING CABLES IN COAL MINES
Subpart A--General Provisions
Section 28.1 Purpose.
28.2 Approved fuses.
28.3 Installation, use, and maintenance of approved fuses.
Subpart B--Application for Approval
28.10 Application procedures.
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.