Title 30, Part 18 — Electric Motor-driven Mine Equipment and Accessories
76 sections
Section 18.1
Purpose.
Section 18.2
Definitions.
Section 18.3
Consultation.
Section 18.4
Electrical equipment for which approval is issued.
Section 18.5
Equipment for which certification will be issued.
Section 18.6
Applications.
Section 18.7
[Reserved]
Section 18.8
Date for conducting investigation and tests.
Section 18.9
Conduct of investigations and tests.
Section 18.10
Notice of approval or disapproval.
Section 18.11
Approval plate.
Section 18.12
Letter of certification.
Section 18.13
Certification plate.
Section 18.14
Identification of tested noncertified explosion-proof enclosures.
Section 18.15
Changes after approval or certification.
Section 18.16
Withdrawal of approval, certification, or acceptance.
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.
Section 18.60
Detailed inspection of components.
Section 18.61
Final inspection of complete machine.
Section 18.62
Tests to determine explosion-proof characteristics.
Section 18.63
[Reserved]
Section 18.65
Flame test of hose.
Section 18.66
Tests of windows and lenses.
Section 18.67
Static-pressure tests.
Section 18.68
Tests for intrinsic safety.
Section 18.69
Adequacy tests.
Section 18.80
Approval of machines assembled with certified or explosion-proof components.
Section 18.81
Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification before modification.
Section 18.82
Permit to use experimental electric face equipment in a gassy mine or tunnel.
Section 18.90
Purpose.
Section 18.91
Electric equipment for which field approvals will be issued.
Section 18.92
Quality of material and design.
Section 18.93
Application for field approval; filing procedures.
Section 18.94
Application for field approval; contents of application.
Section 18.95
Approval of machines constructed of components approved, accepted or certified under Bureau of Mines Schedule 2D, 2E, 2F, or 2G.
Section 18.96
Preparation of machines for inspection; requirements.
Section 18.97
Inspection of machines; minimum requirements.
Section 18.98
Enclosures, joints, and fastenings; pressure testing.
Section 18.99
Notice of approval or disapproval; letters of approval and approval plates.
Section 18.101
Acceptance and use of voluntary consensus standards.
Section 18.102
Approved (incorporated by reference) voluntary consensus standards.
Section 18.103
Review and update of applicable voluntary consensus standards.