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- 30 CFR 18.24 · Electrical clearances.
- 30 CFR 18.25 · Combustible gases from insulating material.
- 30 CFR 18.26 · Static electricity.
- 30 CFR 18.27 · Gaskets.
- 30 CFR 18.28 · Devices for pressure relief, ventilation, or drainage.
- 30 CFR 18.29 · Access openings and covers, including unused lead-entrance holes.
- 30 CFR 18.30 · Windows and lenses.
- 30 CFR 18.31 · Enclosures—joints and fastenings.
- 30 CFR 18.32 · Fastenings—additional requirements.
- 30 CFR 18.33 · Finish of surface joints.
- 30 CFR 18.34 · Motors.
- 30 CFR 18.35 · Portable (trailing) cables and cords.
- 30 CFR 18.36 · Cables between machine components.
- 30 CFR 18.37 · Lead entrances.
- 30 CFR 18.38 · Leads through common walls.
- 30 CFR 18.39 · Hose conduit.
- 30 CFR 18.40 · Cable clamps and grips.
- 30 CFR 18.41 · Plug and receptacle-type connectors.
- 30 CFR 18.42 · Explosion-proof distribution boxes.
- 30 CFR 18.43 · Explosion-proof splice boxes.
- 30 CFR 18.44 · Non-intrinsically safe battery-powered equipment.
- 30 CFR 18.45 · Cable reels.
- 30 CFR 18.46 · Headlights.
- 30 CFR 18.47 · Voltage limitation.
- 30 CFR 18.48 · Circuit-interrupting devices.
- 30 CFR 18.49 · Connection boxes on machines.
- 30 CFR 18.50 · Protection against external arcs and sparks.
- 30 CFR 18.51 · Electrical protection of circuits and equipment.
- 30 CFR 18.52 · Renewal of fuses.
- 30 CFR 18.53 · High-voltage longwall mining systems.
- 30 CFR 18.54 · High-voltage continuous mining machines.
- 30 CFR 18.60 · Detailed inspection of components.
- 30 CFR 18.61 · Final inspection of complete machine.
- 30 CFR 18.62 · Tests to determine explosion-proof characteristics.
- 30 CFR 18.63 · [Reserved]
- 30 CFR 18.65 · Flame test of hose.
- 30 CFR 18.66 · Tests of windows and lenses.
- 30 CFR 18.67 · Static-pressure tests.
- 30 CFR 18.68 · Tests for intrinsic safety.
- 30 CFR 18.69 · Adequacy tests.
- 30 CFR 18.80 · Approval of machines assembled with certified or explosion-proof components.
- 30 CFR 18.81 · Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification before modification.
- 30 CFR 18.82 · Permit to use experimental electric face equipment in a gassy mine or tunnel.
- 30 CFR Appendix I to Subpart D of Part 18 · Appendix I to Subpart D of Part 18
- 30 CFR Appendix II to Subpart D of Part 18 · Appendix II to Subpart D of Part 18
- 30 CFR 18.90 · Purpose.
- 30 CFR 18.91 · Electric equipment for which field approvals will be issued.
- 30 CFR 18.92 · Quality of material and design.
- 30 CFR 18.93 · Application for field approval; filing procedures.
- 30 CFR 18.94 · Application for field approval; contents of application.
- 30 CFR 18.95 · Approval of machines constructed of components approved, accepted or certified under Bureau of Mines Schedule 2D, 2E, 2F, or 2G.
- 30 CFR 18.96 · Preparation of machines for inspection; requirements.
- 30 CFR 18.97 · Inspection of machines; minimum requirements.
- 30 CFR 18.98 · Enclosures, joints, and fastenings; pressure testing.
- 30 CFR 18.99 · Notice of approval or disapproval; letters of approval and approval plates.
- 30 CFR 18.101 · Acceptance and use of voluntary consensus standards.
- 30 CFR 18.102 · Approved (incorporated by reference) voluntary consensus standards.
- 30 CFR 18.103 · Review and update of applicable voluntary consensus standards.
- 30 CFR 19.1 · Purpose.
- 30 CFR 19.2 · [Reserved]
- 30 CFR 19.3 · Application procedures and requirements.
- 30 CFR 19.4 · Conditions governing investigations.
- 30 CFR 19.5 · General requirements for approval.
- 30 CFR 19.6 · Specific requirements for approval.
- 30 CFR 19.7 · Protection against explosion hazard.
- 30 CFR 19.8 · Protection against bodily hazard.
- 30 CFR 19.9 · Performance.
- 30 CFR 19.10 · Material required for MSHA records.
- 30 CFR 19.11 · How approvals are granted.
- 30 CFR 19.12 · Wording, purpose, and use of approval plate.
- 30 CFR 19.13 · Instructions for handling future changes in lamp design.
- 30 CFR 20.0 · Compliance with the requirements necessary for obtaining approval.
- 30 CFR 20.1 · Purpose.
- 30 CFR 20.2 · Definitions.
- 30 CFR 20.3 · Application procedures and requirements.
- 30 CFR 20.4 · [Reserved]
- 30 CFR 20.5 · Conditions governing investigations.
- 30 CFR 20.6 · General requirements.
- 30 CFR 20.7 · Specific requirements.
- 30 CFR 20.8 · Class 1 lamps.
- 30 CFR 20.9 · Class 2 lamps.
- 30 CFR 20.10 · Tests (class 1 and 2 lamps).
- 30 CFR 20.11 · Material required for MSHA records.
- 30 CFR 20.12 · How approvals are granted.
- 30 CFR 20.13 · Approval plate.
- 30 CFR 20.14 · Instructions for handling future changes in lamp design.
- 30 CFR 22.0 · Compliance with the requirements necessary for obtaining approval.
- 30 CFR 22.1 · Purpose.
- 30 CFR 22.2 · Definitions.
- 30 CFR 22.3 · [Reserved]
- 30 CFR 22.4 · Application procedures and requirements.
- 30 CFR 22.5 · Conditions governing investigations.
- 30 CFR 22.6 · General requirements.
- 30 CFR 22.7 · Specific requirements.
- 30 CFR 22.8 · Material required for MSHA records.
- 30 CFR 22.9 · How approvals are granted.
- 30 CFR 22.10 · Approval plate.
- 30 CFR 22.11 · Instructions on handling future changes in design.
- 30 CFR 23.1 · Purpose.
- 30 CFR 23.2 · Definitions.