HIGH-VOLTAGE LONGWALLS

• § 75.813 - High-voltage longwalls; scope.

• § 75.814 - Electrical protection.

• § 75.815 - Disconnect devices.

• § 75.816 - Guarding of cables.

• § 75.817 - Cable handling and support systems.

• § 75.818 - Use of insulated cable handling equipment.

• § 75.819 - Motor-starter enclosures; barriers and interlocks.

• § 75.820 - Electrical work; troubleshooting and testing.

• § 75.821 - Testing, examination and maintenance.

• § 75.822 - Underground high-voltage longwall cables.

• § 75.823 - Scope.

• § 75.824 - Electrical protection.

• § 75.825 - Power centers.

• § 75.826 - High-voltage trailing cables.

• § 75.827 - Guarding of trailing cables.

• § 75.828 - Trailing cable pulling.

• § 75.829 - Tramming continuous mining machines in and out of the mine and from section to section.

• § 75.830 - Splicing and repair of trailing cables.

• § 75.831 - Electrical work; troubleshooting and testing.

• § 75.832 - Frequency of examinations; recordkeeping.

• § 75.833 - Handling high-voltage trailing cables.

• § 75.834 - Training.

• § 75.800 - High-voltage circuits; circuit breakers.

• § 75.800-1 - Circuit breakers; location.

• § 75.800-2 - Approved circuit schemes.

• § 75.800-3 - Testing, examination and maintenance of circuit breakers; procedures.

• § 75.800-4 - Testing, examination, and maintenance of circuit breakers; record.

• § 75.801 - Grounding resistors.

• § 75.802 -

• § 75.803 - Fail safe ground check circuits on high-voltage resistance grounded systems.

• § 75.803-1 - Maximum voltage ground check circuits.

• § 75.803-2 - Ground check systems not employing pilot check wires; approval by the Secretary.

• § 75.804 - Underground high-voltage cables.

• § 75.805 - Couplers.

• § 75.806 - Connection of single-phase loads.

• § 75.807 - Installation of high-voltage transmission cables.

• § 75.808 - Disconnecting devices.

• § 75.809 - Identification of circuit breakers and disconnecting switches.

• § 75.810 - High-voltage trailing cables; splices.

• § 75.811 - High-voltage underground equipment; grounding.

• § 75.812 - Movement of high-voltage power centers and portable transformers; permit.

• § 75.812-1 - Qualified person.

• § 75.812-2 - High-voltage power centers and transformers; record of examination.

• Appendix Appendix A - Appendix A to Subpart I of Part 75—Diagrams of Inby and Outby Switching