30 CFR Subpart B
Construction and Design Requirements
July 29, 2020
§
18.35
Portable (trailing) cables and cords
§
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
§
18.36
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
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