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Construction and Design Requirements | Midpage
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Code of Federal Regulations
Title 30
Chapter I
Subchapter B
Part 18
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.