Title 30
Mineral Resources
5,954 sections · 206 parts · 6 chapterseCFR snapshot through 2026-08-19
Part 75
MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
201–300 of 486 sections
- § 75.808Disconnecting devices.
- § 75.809Identification of circuit breakers and disconnecting switches.
- § 75.810High-voltage trailing cables; splices.
- § 75.811High-voltage underground equipment; grounding.
- § 75.812Movement of high-voltage power centers and portable transformers; permit.
- § 75.812-1Qualified person.
- § 75.812-2High-voltage power centers and transformers; record of examination.
- § 75.813High-voltage longwalls; scope.
- § 75.814Electrical protection.
- § 75.815Disconnect devices.
- § 75.816Guarding of cables.
- § 75.817Cable handling and support systems.
- § 75.818Use of insulated cable handling equipment.
- § 75.819Motor-starter enclosures; barriers and interlocks.
- § 75.820Electrical work; troubleshooting and testing.
- § 75.821Testing, examination and maintenance.
- § 75.822Underground high-voltage longwall cables.
- § 75.823Scope.
- § 75.824Electrical protection.
- § 75.825Power centers.
- § 75.826High-voltage trailing cables.
- § 75.827Guarding of trailing cables.
- § 75.828Trailing cable pulling.
- § 75.829Tramming continuous mining machines in and out of the mine and from section to section.
- § 75.830Splicing and repair of trailing cables.
- § 75.831Electrical work; troubleshooting and testing.
- § 75.832Frequency of examinations; recordkeeping.
- § 75.833Handling high-voltage trailing cables.
- § 75.834Training.
- § 75.900Low- and medium-voltage circuits serving three-phase alternating current equipment; circuit breakers.
- § 75.900-1Circuit breakers; location.
- § 75.900-2Approved circuit schemes.
- § 75.900-3Testing, examination, and maintenance of circuit breakers; procedures.
- § 75.900-4Testing, examination, and maintenance of circuit breakers; record.
- § 75.901Protection of low- and medium-voltage three-phase circuits used underground.
- § 75.902Low- and medium-voltage ground check monitor circuits.
- § 75.902-1Maximum voltage ground check circuits.
- § 75.902-2Approved ground check systems not employing pilot check wires.
- § 75.902-4Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.
- § 75.903Disconnecting devices.
- § 75.904Identification of circuit breakers.
- § 75.905Connection of single-phase loads.
- § 75.906Trailing cables for mobile equipment, ground wires, and ground check wires.
- § 75.907Design of trailing cables for medium-voltage circuits.
- § 75.1000Cutout switches.
- § 75.1001Overcurrent protection.
- § 75.1001-1Devices for overcurrent protection; testing and calibration requirements; records.
- § 75.1002Installation of electric equipment and conductors; permissibility.
- § 75.1003Insulation of trolley wires, trolley feeder wires and bare signal wires; guarding of trolley wires and trolley feeder wires.
- § 75.1003-1Other requirements for guarding of trolley wires and trolley feeder wires.
- § 75.1003-2Requirements for movement of off-track mining equipment in areas of active workings where energized trolley wires or trolley feeder wires are present; pre-movement requirements; certified and qualified persons.
- § 75.1100Requirements.
- § 75.1100-1Type and quality of firefighting equipment.
- § 75.1100-2Quantity and location of firefighting equipment.
- § 75.1100-3Condition and examination of firefighting equipment.
- § 75.1101Deluge-type water sprays, foam generators; main and secondary belt-conveyor drives.
- § 75.1101-1Deluge-type water spray systems.
- § 75.1101-2Installation of deluge-type sprays.
- § 75.1101-3Water requirements.
- § 75.1101-4Branch lines.
- § 75.1101-5Installation of foam generator systems.
- § 75.1101-6Water sprinkler systems; general.
- § 75.1101-7Installation of water sprinkler systems; requirements.
- § 75.1101-8Water sprinkler systems; arrangement of sprinklers.
- § 75.1101-9Back-up water system.
- § 75.1101-10Water sprinkler systems; fire warning devices at belt drives.
- § 75.1101-11Inspection of water sprinkler systems.
- § 75.1101-12Equivalent dry-pipe system.
- § 75.1101-13Dry powder chemical systems; general.
- § 75.1101-14Installation of dry powder chemical systems.
- § 75.1101-15Construction of dry powder chemical systems.
- § 75.1101-16Dry powder chemical systems; sensing and fire-suppression devices.
- § 75.1101-17Sealing of dry powder chemical systems.
- § 75.1101-18Dry powder requirements.
- § 75.1101-19Nozzles; flow rate and direction.
- § 75.1101-20Safeguards for dry powder chemical systems.
- § 75.1101-21Back-up water system.
- § 75.1101-22Inspection of dry powder chemical systems.
- § 75.1102Slippage and sequence switches.
- § 75.1103Automatic fire warning devices.
- § 75.1103-1Automatic fire sensors.
- § 75.1103-2Automatic fire sensors; approved components; installation requirements.
- § 75.1103-3Automatic fire sensor and warning device systems; minimum requirements; general.
- § 75.1103-4Automatic fire sensor and warning device systems; installation; minimum requirements.
- § 75.1103-5Automatic fire warning devices; actions and response.
- § 75.1103-6Automatic fire sensors; actuation of fire suppression systems.
- § 75.1103-7Electrical components; permissibility requirements.
- § 75.1103-8Automatic fire sensor and warning device systems; examination and test requirements.
- § 75.1103-9Minimum requirements; fire suppression materials and location; maintenance of entries and crosscuts; access doors; communications; fire crews; high-expansion foam devices.
- § 75.1103-10Fire suppression systems; additional requirements.
- § 75.1103-11Tests of fire hydrants and fire hose; record of tests.
- § 75.1104Underground storage, lubricating oil and grease.
- § 75.1106Welding, cutting, or soldering with arc or flame underground.
- § 75.1106-1Test for methane.
- § 75.1106-2Transportation of liquefied and nonliquefied compressed gas cylinders; requirements.
- § 75.1106-3Storage of liquefied and nonliquefied compressed gas cylinders; requirements.
- § 75.1106-4Use of liquefied and nonliquefied compressed gas cylinders; general requirements.
- § 75.1106-5Maintenance and tests of liquefied and nonliquefied compressed gas cylinders; accessories and equipment; requirements.
- § 75.1106-6Exemption of small low pressure gas cylinders containing nonflammable or nonexplosive gas mixtures.
- § 75.1107Fire suppression devices.