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Code of Federal Regulations (Last Updated: October 10, 2024) |
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Title 30 - Mineral Resources |
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Chapter I - Mine Safety and Health Administration, Department of Labor |
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SubChapter B - Testing, Evaluation, and Approval of Mining Products |
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Part 18 - Electric Motor-Driven Mine Equipment and Accessories |
| Subpart A - General Provisions |
| § 18.1 - Purpose. |
| § 18.2 - Definitions. |
| § 18.3 - Consultation. |
| § 18.4 - Electrical equipment for which approval is issued. |
| § 18.5 - Equipment for which certification will be issued. |
| § 18.6 - Applications. |
| § 18.7 - [Reserved] |
| § 18.8 - Date for conducting investigation and tests. |
| § 18.9 - Conduct of investigations and tests. |
| § 18.10 - Notice of approval or disapproval. |
| § 18.11 - Approval plate. |
| § 18.12 - Letter of certification. |
| § 18.13 - Certification plate. |
| § 18.14 - Identification of tested noncertified explosion-proof enclosures. |
| § 18.15 - Changes after approval or certification. |
| § 18.16 - Withdrawal of approval, certification, or acceptance. |
| Subpart B - Construction and Design Requirements |
| § 18.20 - Quality of material, workmanship, and design. |
| § 18.21 - Machines equipped with powered dust collectors. |
| § 18.22 - Boring-type machines equipped for auxiliary face ventilation. |
| § 18.23 - Limitation of external surface temperatures. |
| § 18.24 - Electrical clearances. |
| § 18.25 - Combustible gases from insulating material. |
| § 18.26 - Static electricity. |
| § 18.27 - Gaskets. |
| § 18.28 - Devices for pressure relief, ventilation, or drainage. |
| § 18.29 - Access openings and covers, including unused lead-entrance holes. |
| § 18.30 - Windows and lenses. |
| § 18.31 - Enclosures - joints and fastenings. |
| § 18.32 - Fastenings - additional requirements. |
| § 18.33 - Finish of surface joints. |
| § 18.34 - Motors. |
| § 18.35 - Portable (trailing) cables and cords. |
| § 18.36 - Cables between machine components. |
| § 18.37 - Lead entrances. |
| § 18.38 - Leads through common walls. |
| § 18.39 - Hose conduit. |
| § 18.40 - Cable clamps and grips. |
| § 18.41 - Plug and receptacle-type connectors. |
| § 18.42 - Explosion-proof distribution boxes. |
| § 18.43 - Explosion-proof splice boxes. |
| § 18.44 - Non-intrinsically safe battery-powered equipment. |
| § 18.45 - Cable reels. |
| § 18.46 - Headlights. |
| § 18.47 - Voltage limitation. |
| § 18.48 - Circuit-interrupting devices. |
| § 18.49 - Connection boxes on machines. |
| § 18.50 - Protection against external arcs and sparks. |
| § 18.51 - Electrical protection of circuits and equipment. |
| § 18.52 - Renewal of fuses. |
| § 18.53 - High-voltage longwall mining systems. |
| § 18.54 - High-voltage continuous mining machines. |
| Subpart C - Inspections and Tests |
| § 18.60 - Detailed inspection of components. |
| § 18.61 - Final inspection of complete machine. |
| § 18.62 - Tests to determine explosion-proof characteristics. |
| § 18.63 - [Reserved] |
| § 18.65 - Flame test of hose. |
| § 18.66 - Tests of windows and lenses. |
| § 18.67 - Static-pressure tests. |
| § 18.68 - Tests for intrinsic safety. |
| § 18.69 - Adequacy tests. |
| Subpart D - Machines Assembled With Certified or Explosion-Proof Components, Field Modifications of Approved Machines, and Permits To Use Experimental Equipment |
| § 18.80 - Approval of machines assembled with certified or explosion-proof components. |
| § 18.81 - Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification before modification. |
| § 18.82 - Permit to use experimental electric face equipment in a gassy mine or tunnel. |
| Figure 2 - Sample Bill of Material |
| Appendix I |
| Appendix II |
| Appendix I to Subpart D of Part 18 |
| Appendix II to Subpart D of Part 18 |
| Subpart E - Field Approval of Electrically Operated Mining Equipment |
| § 18.90 - Purpose. |
| § 18.91 - Electric equipment for which field approvals will be issued. |
| § 18.92 - Quality of material and design. |
| § 18.93 - Application for field approval; filing procedures. |
| § 18.94 - Application for field approval; contents of application. |
| § 18.95 - Approval of machines constructed of components approved, accepted or certified under Bureau of Mines Schedule 2D, 2E, 2F, or 2G. |
| § 18.96 - Preparation of machines for inspection; requirements. |
| § 18.97 - Inspection of machines; minimum requirements. |
| § 18.98 - Enclosures, joints, and fastenings; pressure testing. |
| § 18.99 - Notice of approval or disapproval; letters of approval and approval plates. |