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- 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
- Hazards from low or under voltage
- State regulations governing the use of trolley wires in mines
- How leakage of current from an electric shot-firing circuit causes misfires
- Performance tests for trailing cables
- 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
- Data in reference to installation of cables in shafts and boreholes
- 250 versus 500 volts or more for circuits in gassy coal mines