| 30:1.0.1.2.8.1 | SUBPART A
| Subpart A - General Provisions | |
| 30:1.0.1.2.8.1.1.1 | SECTION 18.1
| 18.1 Purpose. | |
| 30:1.0.1.2.8.1.1.2 | SECTION 18.2
| 18.2 Definitions. | |
| 30:1.0.1.2.8.1.1.3 | SECTION 18.3
| 18.3 Consultation. | |
| 30:1.0.1.2.8.1.1.4 | SECTION 18.4
| 18.4 Electrical equipment for which approval is issued. | |
| 30:1.0.1.2.8.1.1.5 | SECTION 18.5
| 18.5 Equipment for which certification will be issued. | |
| 30:1.0.1.2.8.1.1.6 | SECTION 18.6
| 18.6 Applications. | |
| 30:1.0.1.2.8.1.1.7 | SECTION 18.7
| 18.7 [Reserved] | |
| 30:1.0.1.2.8.1.1.8 | SECTION 18.8
| 18.8 Date for conducting investigation and tests. | |
| 30:1.0.1.2.8.1.1.9 | SECTION 18.9
| 18.9 Conduct of investigations and tests. | |
| 30:1.0.1.2.8.1.1.10 | SECTION 18.10
| 18.10 Notice of approval or disapproval. | |
| 30:1.0.1.2.8.1.1.11 | SECTION 18.11
| 18.11 Approval plate. | |
| 30:1.0.1.2.8.1.1.12 | SECTION 18.12
| 18.12 Letter of certification. | |
| 30:1.0.1.2.8.1.1.13 | SECTION 18.13
| 18.13 Certification plate. | |
| 30:1.0.1.2.8.1.1.14 | SECTION 18.14
| 18.14 Identification of tested noncertified explosion-proof enclosures. | |
| 30:1.0.1.2.8.1.1.15 | SECTION 18.15
| 18.15 Changes after approval or certification. | |
| 30:1.0.1.2.8.1.1.16 | SECTION 18.16
| 18.16 Withdrawal of approval, certification, or acceptance. | |
| 30:1.0.1.2.8.2 | SUBPART B
| Subpart B - Construction and Design Requirements | |
| 30:1.0.1.2.8.2.1.1 | SECTION 18.20
| 18.20 Quality of material, workmanship, and design. | |
| 30:1.0.1.2.8.2.1.2 | SECTION 18.21
| 18.21 Machines equipped with powered dust collectors. | |
| 30:1.0.1.2.8.2.1.3 | SECTION 18.22
| 18.22 Boring-type machines equipped for auxiliary face ventilation. | |
| 30:1.0.1.2.8.2.1.4 | SECTION 18.23
| 18.23 Limitation of external surface temperatures. | |
| 30:1.0.1.2.8.2.1.5 | SECTION 18.24
| 18.24 Electrical clearances. | |
| 30:1.0.1.2.8.2.1.6 | SECTION 18.25
| 18.25 Combustible gases from insulating material. | |
| 30:1.0.1.2.8.2.1.7 | SECTION 18.26
| 18.26 Static electricity. | |
| 30:1.0.1.2.8.2.1.8 | SECTION 18.27
| 18.27 Gaskets. | |
| 30:1.0.1.2.8.2.1.9 | SECTION 18.28
| 18.28 Devices for pressure relief, ventilation, or drainage. | |
| 30:1.0.1.2.8.2.1.10 | SECTION 18.29
| 18.29 Access openings and covers, including unused lead-entrance holes. | |
| 30:1.0.1.2.8.2.1.11 | SECTION 18.30
| 18.30 Windows and lenses. | |
| 30:1.0.1.2.8.2.1.12 | SECTION 18.31
| 18.31 Enclosures - joints and fastenings. | |
| 30:1.0.1.2.8.2.1.13 | SECTION 18.32
| 18.32 Fastenings - additional requirements. | |
| 30:1.0.1.2.8.2.1.14 | SECTION 18.33
| 18.33 Finish of surface joints. | |
| 30:1.0.1.2.8.2.1.15 | SECTION 18.34
| 18.34 Motors. | |
| 30:1.0.1.2.8.2.1.16 | SECTION 18.35
| 18.35 Portable (trailing) cables and cords. | |
| 30:1.0.1.2.8.2.1.17 | SECTION 18.36
| 18.36 Cables between machine components. | |
| 30:1.0.1.2.8.2.1.18 | SECTION 18.37
| 18.37 Lead entrances. | |
| 30:1.0.1.2.8.2.1.19 | SECTION 18.38
| 18.38 Leads through common walls. | |
| 30:1.0.1.2.8.2.1.20 | SECTION 18.39
| 18.39 Hose conduit. | |
| 30:1.0.1.2.8.2.1.21 | SECTION 18.40
| 18.40 Cable clamps and grips. | |
| 30:1.0.1.2.8.2.1.22 | SECTION 18.41
| 18.41 Plug and receptacle-type connectors. | |
| 30:1.0.1.2.8.2.1.23 | SECTION 18.42
| 18.42 Explosion-proof distribution boxes. | |
| 30:1.0.1.2.8.2.1.24 | SECTION 18.43
| 18.43 Explosion-proof splice boxes. | |
| 30:1.0.1.2.8.2.1.25 | SECTION 18.44
| 18.44 Non-intrinsically safe battery-powered equipment. | |
| 30:1.0.1.2.8.2.1.26 | SECTION 18.45
| 18.45 Cable reels. | |
| 30:1.0.1.2.8.2.1.27 | SECTION 18.46
| 18.46 Headlights. | |
| 30:1.0.1.2.8.2.1.28 | SECTION 18.47
| 18.47 Voltage limitation. | |
| 30:1.0.1.2.8.2.1.29 | SECTION 18.48
| 18.48 Circuit-interrupting devices. | |
| 30:1.0.1.2.8.2.1.30 | SECTION 18.49
| 18.49 Connection boxes on machines. | |
| 30:1.0.1.2.8.2.1.31 | SECTION 18.50
| 18.50 Protection against external arcs and sparks. | |
| 30:1.0.1.2.8.2.1.32 | SECTION 18.51
| 18.51 Electrical protection of circuits and equipment. | |
| 30:1.0.1.2.8.2.1.33 | SECTION 18.52
| 18.52 Renewal of fuses. | |
| 30:1.0.1.2.8.2.1.34 | SECTION 18.53
| 18.53 High-voltage longwall mining systems. | |
| 30:1.0.1.2.8.2.1.35 | SECTION 18.54
| 18.54 High-voltage continuous mining machines. | |
| 30:1.0.1.2.8.3 | SUBPART C
| Subpart C - Inspections and Tests | |
| 30:1.0.1.2.8.3.1.1 | SECTION 18.60
| 18.60 Detailed inspection of components. | |
| 30:1.0.1.2.8.3.1.2 | SECTION 18.61
| 18.61 Final inspection of complete machine. | |
| 30:1.0.1.2.8.3.1.3 | SECTION 18.62
| 18.62 Tests to determine explosion-proof characteristics. | |
| 30:1.0.1.2.8.3.1.4 | SECTION 18.63
| 18.63 [Reserved] | |
| 30:1.0.1.2.8.3.1.5 | SECTION 18.65
| 18.65 Flame test of hose. | |
| 30:1.0.1.2.8.3.1.6 | SECTION 18.66
| 18.66 Tests of windows and lenses. | |
| 30:1.0.1.2.8.3.1.7 | SECTION 18.67
| 18.67 Static-pressure tests. | |
| 30:1.0.1.2.8.3.1.8 | SECTION 18.68
| 18.68 Tests for intrinsic safety. | |
| 30:1.0.1.2.8.3.1.9 | SECTION 18.69
| 18.69 Adequacy tests. | |
| 30:1.0.1.2.8.4 | SUBPART D
| Subpart D - Machines Assembled With Certified or Explosion-Proof Components, Field Modifications of Approved Machines, and Permits To Use Experimental Equipment | |
| 30:1.0.1.2.8.4.1.1 | SECTION 18.80
| 18.80 Approval of machines assembled with certified or explosion-proof components. | |
| 30:1.0.1.2.8.4.1.2 | SECTION 18.81
| 18.81 Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification before modification. | |
| 30:1.0.1.2.8.4.1.3 | SECTION 18.82
| 18.82 Permit to use experimental electric face equipment in a gassy mine or tunnel. | |
| 30:1.0.1.2.8.4.1.4.2 | APPENDIX Appendix I
| Appendix I to Subpart D of Part 18 | |
| 30:1.0.1.2.8.4.1.4.3 | APPENDIX Appendix II
| Appendix II to Subpart D of Part 18 | |
| 30:1.0.1.2.8.5 | SUBPART E
| Subpart E - Field Approval of Electrically Operated Mining Equipment | |
| 30:1.0.1.2.8.5.1.1 | SECTION 18.90
| 18.90 Purpose. | |
| 30:1.0.1.2.8.5.1.2 | SECTION 18.91
| 18.91 Electric equipment for which field approvals will be issued. | |
| 30:1.0.1.2.8.5.1.3 | SECTION 18.92
| 18.92 Quality of material and design. | |
| 30:1.0.1.2.8.5.1.4 | SECTION 18.93
| 18.93 Application for field approval; filing procedures. | |
| 30:1.0.1.2.8.5.1.5 | SECTION 18.94
| 18.94 Application for field approval; contents of application. | |
| 30:1.0.1.2.8.5.1.6 | SECTION 18.95
| 18.95 Approval of machines constructed of components approved, accepted or certified under Bureau of Mines Schedule 2D, 2E, 2F, or 2G. | |
| 30:1.0.1.2.8.5.1.7 | SECTION 18.96
| 18.96 Preparation of machines for inspection; requirements. | |
| 30:1.0.1.2.8.5.1.8 | SECTION 18.97
| 18.97 Inspection of machines; minimum requirements. | |
| 30:1.0.1.2.8.5.1.9 | SECTION 18.98
| 18.98 Enclosures, joints, and fastenings; pressure testing. | |
| 30:1.0.1.2.8.5.1.10 | SECTION 18.99
| 18.99 Notice of approval or disapproval; letters of approval and approval plates. | |