A. Electrical equipment and circuits shall be installed in accordance with the standards in the National Electrical Code nationally recognized standards, unless provided for in this part.

B. All work on new electric systems or modifications to existing electric systems performed in accordance with the National Electrical Code nationally recognized standards and this part shall be done by, or under the direct supervision of, a certified electrical repairman or other appropriately licensed electrical repairman. Routine maintenance of electrical systems and equipment where no changes are being made to the system or the equipment may be performed by a competent person who has received task training in the work from an appropriately licensed or certified electrical repairman.

Surface overhead power lines shall be installed and maintained as specified by the National Electrical Code nationally recognized standards.

Telegraph, telephone, or signal wires shall not be installed on the same crossarm with power conductors. When carried on poles supporting power lines, they telegraph, telephone, and signal wires shall be installed as specified by the National Electrical Code nationally recognized standards.

1996 Threshold Limit Values and Biological Exposure Indices published by the American Conference of Governmental Industrial Hygienists

American Table of Distances, 1991 edition, published by the Institute of Makers of Explosives

National Electrical Code, 2008 edition, published by the National Fire Protection Association

National Fire Protection Association 10: Standard for Portable Fire Extinguishers, 2013 edition

Bureau of Mines Instruction Guide 19, Mine Emergency Training, U.S. Department of Labor, 1972 edition

Blasting Guidance Manual, U.S. Department of Interior, Office of Surface Mining Reclamation and Enforcement, 1987 edition

The American National Standard for Wire Rope for Miners, M11.11980, published by the American National Standards Institute