Search U.S. government technical reports digitized or harvested by TRAIL.
Performance tests for trailing cables
Suggestions for wiring permissible equipment
Specially recommended trailing cables
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
Electrical viewpoint in a complete safety survey of a coal mine
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
Prevention of fires caused by electric arcs and sparks from trolley wires
Guarding trolley wires in mines
Recommended standards for alternating current in coal mines
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
Research on the reliability of mine electrical equipment :a status report