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Section 18.1
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Definitions |
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Section 18.2
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Consultation |
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Section 18.3
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Electrical equipment for which approval is issued |
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Section 18.4
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Equipment for which certification will be issued |
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Section 18.5
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Applications |
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Section 18.6
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Date for conducting investigation and tests |
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Section 18.8
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Conduct of investigations and tests |
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Section 18.9
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Notice of approval or disapproval |
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Section 18.10
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Approval plate |
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Section 18.11
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Letter of certification |
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Section 18.12
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Certification plate |
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Section 18.13
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Identification of tested noncertified explosion-proof enclosures |
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Section 18.14
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Changes after approval or certification |
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Section 18.15
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Withdrawal of approval, certification, or acceptance |
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Section 18.16
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Quality of material, workmanship, and design |
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Section 18.20
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Machines equipped with powered dust collectors |
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Section 18.21
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Boring-type machines equipped for auxiliary face ventilation |
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Section 18.22
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Limitation of external surface temperatures |
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Section 18.23
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Electrical clearances |
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Section 18.24
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Combustible gases from insulating material |
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Section 18.25
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Static electricity |
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Section 18.26
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Gaskets |
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Section 18.27
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Devices for pressure relief, ventilation, or drainage |
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Section 18.28
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Access openings and covers, including unused lead-entrance holes |
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Section 18.29
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Windows and lenses |
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Section 18.30
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Enclosures--joints and fastenings |
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Section 18.31
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Fastenings--additional requirements |
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Section 18.32
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Finish of surface joints |
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Section 18.33
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Motors |
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Section 18.34
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Portable (trailing) cables and cords |
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Section 18.35
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Cables between machine components |
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Section 18.36
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Lead entrances |
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Section 18.37
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Leads through common walls |
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Section 18.38
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Hose conduit |
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Section 18.39
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Cable clamps and grips |
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Section 18.40
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Plug and receptacle-type connectors |
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Section 18.41
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Explosion-proof distribution boxes |
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Section 18.42
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Explosion-proof splice boxes |
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Section 18.43
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Non-intrinsically safe battery-powered equipment |
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Section 18.44
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Cable reels |
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Section 18.45
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Headlights |
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Section 18.46
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Voltage limitation |
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Section 18.47
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Circuit-interrupting devices |
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Section 18.48
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Connection boxes on machines |
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Section 18.49
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Protection against external arcs and sparks |
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Section 18.50
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Electrical protection of circuits and equipment |
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Section 18.51
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Renewal of fuses |
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Section 18.52
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High-voltage longwall mining systems |
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Section 18.53
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High-voltage continuous mining machines |
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Section 18.54
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Detailed inspection of components |
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Section 18.60
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Final inspection of complete machine |
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Section 18.61
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Tests to determine explosion-proof characteristics |
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Section 18.62
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Flame test of hose |
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Section 18.65
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Tests of windows and lenses |
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Section 18.66
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Static-pressure tests |
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Section 18.67
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Tests for intrinsic safety |
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Section 18.68
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Adequacy tests |
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Section 18.69
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Approval of machines assembled with certified or explosion -proof components |
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Section 18.80
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Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification |
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Section 18.81
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Permit to use experimental electric face equipment in a gassy mine or tunnel |
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Section 18.82
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Purpose |
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Section 18.90
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Electric equipment for which field approvals will be issued |
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Section 18.91
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Quality of material and design |
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Section 18.92
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Application for field approval; filing procedures |
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Section 18.93
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Application for field approval; contents of application |
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Section 18.94
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Approval of machines constructed of components approved, accepted or certified under Bureau of Mines Schedule 2D, 2E, 2F, or 2G |
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Section 18.95
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Preparation of machines for inspection; requirements |
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Section 18.96
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Inspection of machines; minimum requirements |
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Section 18.97
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Enclosures, joints, and fastenings; pressure testing |
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Section 18.98
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Notice of approval or disapproval; letters of approval and approval plates |
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Section 18.99
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Purpose |