Title 30
Mineral Resources
5,954 sections · 206 parts · 6 chapterseCFR snapshot through 2026-08-19
Part 18
ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES
1–76 of 76 sections
- § 18.1Purpose.
- § 18.2Definitions.
- § 18.3Consultation.
- § 18.4Electrical equipment for which approval is issued.
- § 18.5Equipment for which certification will be issued.
- § 18.6Applications.
- § 18.7[Reserved]
- § 18.8Date for conducting investigation and tests.
- § 18.9Conduct of investigations and tests.
- § 18.10Notice of approval or disapproval.
- § 18.11Approval plate.
- § 18.12Letter of certification.
- § 18.13Certification plate.
- § 18.14Identification of tested noncertified explosion-proof enclosures.
- § 18.15Changes after approval or certification.
- § 18.16Withdrawal of approval, certification, or acceptance.
- § 18.20Quality of material, workmanship, and design.
- § 18.21Machines equipped with powered dust collectors.
- § 18.22Boring-type machines equipped for auxiliary face ventilation.
- § 18.23Limitation of external surface temperatures.
- § 18.24Electrical clearances.
- § 18.25Combustible gases from insulating material.
- § 18.26Static electricity.
- § 18.27Gaskets.
- § 18.28Devices for pressure relief, ventilation, or drainage.
- § 18.29Access openings and covers, including unused lead-entrance holes.
- § 18.30Windows and lenses.
- § 18.31Enclosures—joints and fastenings.
- § 18.32Fastenings—additional requirements.
- § 18.33Finish of surface joints.
- § 18.34Motors.
- § 18.35Portable (trailing) cables and cords.
- § 18.36Cables between machine components.
- § 18.37Lead entrances.
- § 18.38Leads through common walls.
- § 18.39Hose conduit.
- § 18.40Cable clamps and grips.
- § 18.41Plug and receptacle-type connectors.
- § 18.42Explosion-proof distribution boxes.
- § 18.43Explosion-proof splice boxes.
- § 18.44Non-intrinsically safe battery-powered equipment.
- § 18.45Cable reels.
- § 18.46Headlights.
- § 18.47Voltage limitation.
- § 18.48Circuit-interrupting devices.
- § 18.49Connection boxes on machines.
- § 18.50Protection against external arcs and sparks.
- § 18.51Electrical protection of circuits and equipment.
- § 18.52Renewal of fuses.
- § 18.53High-voltage longwall mining systems.
- § 18.54High-voltage continuous mining machines.
- § 18.60Detailed inspection of components.
- § 18.61Final inspection of complete machine.
- § 18.62Tests to determine explosion-proof characteristics.
- § 18.63[Reserved]
- § 18.65Flame test of hose.
- § 18.66Tests of windows and lenses.
- § 18.67Static-pressure tests.
- § 18.68Tests for intrinsic safety.
- § 18.69Adequacy tests.
- § 18.80Approval of machines assembled with certified or explosion-proof components.
- § 18.81Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification before modification.
- § 18.82Permit to use experimental electric face equipment in a gassy mine or tunnel.
- § 18.90Purpose.
- § 18.91Electric equipment for which field approvals will be issued.
- § 18.92Quality of material and design.
- § 18.93Application for field approval; filing procedures.
- § 18.94Application for field approval; contents of application.
- § 18.95Approval of machines constructed of components approved, accepted or certified under Bureau of Mines Schedule 2D, 2E, 2F, or 2G.
- § 18.96Preparation of machines for inspection; requirements.
- § 18.97Inspection of machines; minimum requirements.
- § 18.98Enclosures, joints, and fastenings; pressure testing.
- § 18.99Notice of approval or disapproval; letters of approval and approval plates.
- § 18.101Acceptance and use of voluntary consensus standards.
- § 18.102Approved (incorporated by reference) voluntary consensus standards.
- § 18.103Review and update of applicable voluntary consensus standards.