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Safety electric switches for mines

Permissible explosion-proof electric motors for mines :conditions and requirements for test and approval

Shot firing in coal mines by electricity controlled from outside

Suggested safety rules for installing and using electrical equipment in bituminous coal mines

State mining laws on the use of electricity in and about coal mines

Operation and maintenance of electrical equipment approved for permissibility by the Bureau of Mines

Abnormal pressures in explosion-proof compartments of electrical mining machines

Hazards from low or under voltage

State regulations governing the use of trolley wires in mines

Performance tests for trailing cables

How leakage of current from an electric shot-firing circuit causes misfires

The grounding of electric systems in and around mines

Specially recommended trailing cable

Suggestions for wiring permissible equipment

Specially recommended trailing cables

Requirements for bolts and similar fastenings for permissible electrical equipment

Guarding trolley wires in mines

Notes pertaining to safety inspections of permissible electric mine equipment

Data in reference to installation of cables in shafts and boreholes

250 versus 500 volts or more for circuits in gassy coal mines

Use of electric power in Castle Gate No. 2 mine, Utah Fuel Co.

Maintaining the permissibility of electric cap lamps

Hazard of igniting coal by electric circuits in mines

Electrical viewpoint in a complete safety survey of a coal mine

The importance of adequate voltage for distribution systems in coal mines

Coal-mine fires of electrical origin :their cause and prevention

Installation of high-tension power circuits in coal mines

Reducing "nipping" hazards when tramming coal-mining machinery

Inspection and testing of mine-type electrical equipment for permissibility

Analysis of the use of electricity at coal mines :progress report 2

Prevention of fires caused by electric arcs and sparks from trolley wires

Guarding trolley wires in mines

Coal-mining methods and practices and electric power requirements in the Bull Mountain coal field, Montana

Effect of temperature on flame-arresting properties of flat joints in explosion-proof mine equipment

A study to determine factors causing pressure piling in testing explosion-proof enclosures

Inspection and testing of mine-type electrical equipment for permissibility :revision of Information circular 7185

Electric-power-distribution system, potash mine and refinery, Duval Sulphur & Potash Company, Carlsbad, N. Mex.

Recommended standards for alternating current in coal mines

Potential uses for 400 Hz electrical power systems in mining

Mine power distribution :proceedings, Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., March 19, 1975

AC impedance measurements used to locate faults in mining power cables

Mine power systems research(in four parts) :

Mine power systems research(in four parts) :

Mine power systems research(in four parts) :

Mine power systems research(in four parts) :

Guide to substation grounding and bonding for mine power systems


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