Part 28 - Fuses for Use With Direct Current in Providing Short-Circuit Protection for Trailing Cables in Coal Mines  


Subpart A - General Provisions
§ 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.
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.