McPortland, J.E, and Brian J. McPortland, National Electrical Code® Handbook,
22d ed, McGraw-Hill, NY, 1996.
National Electrical Code®, National Fire Protection Association, Quincy, MA,
* Effective 01 October 1996, the Naval Education and Training Program
Management Support Activity (NETPMSA) became the Naval Education and
Training Professional Development and Technology Center (NETPDTC).