Subpart B - CONSTRUCTION AND DESIGN REQUIREMENTS
- Section 18.20 - Quality of material, workmanship, and design
- Section 18.21 - Machines equipped with powered dust collectors
- Section 18.22 - Boring-type machines equipped for auxiliary face ventilation
- Section 18.23 - Limitation of external surface temperatures
- Section 18.24 - Electrical clearances
- Section 18.25 - Combustible gases from insulating material
- Section 18.26 - Static electricity
- Section 18.27 - Gaskets
- Section 18.28 - Devices for pressure relief, ventilation, or drainage
- Section 18.29 - Access openings and covers, including unused lead-entrance holes
- Section 18.30 - Windows and lenses
- Section 18.31 - Enclosures-joints and fastenings
- Section 18.32 - Fastenings-additional requirements
- Section 18.33 - Finish of surface joints
- Section 18.34 - Motors
- Section 18.35 - Portable (trailing) cables and cords
- Section 18.36 - Cables between machine components
- Section 18.37 - Lead entrances
- Section 18.38 - Leads through common walls
- Section 18.39 - Hose conduit
- Section 18.40 - Cable clamps and grips
- Section 18.41 - Plug and receptacle-type connectors
- Section 18.42 - Explosion-proof distribution boxes
- Section 18.43 - Explosion-proof splice boxes
- Section 18.44 - Non-intrinsically safe battery-powered equipment
- Section 18.45 - Cable reels
- Section 18.46 - Headlights
- Section 18.47 - Voltage limitation
- Section 18.48 - Circuit-interrupting devices
- Section 18.49 - Connection boxes on machines
- Section 18.50 - Protection against external arcs and sparks
- Section 18.51 - Electrical protection of circuits and equipment
- Section 18.52 - Renewal of fuses
- Section 18.53 - High-voltage longwall mining systems
- Section 18.54 - High-voltage continuous mining machines