National Fire Protection Association
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National Electrical Code® Handbook (NFPA 70®). 11th (Eleventh) Edition.
National Fire Protection Assoc., Quincy, MA
NFPA 70HB08; 11th Edition,
National Electrical Code® Handbook (NFPA 70®). 2008 Edition. (NFPA 70: National Electrical Code Internaitonal Electrical Code Series),
National Fire Protection Assoc., Quincy, MA,
Earley, M. W.; Sargent, J. S.; Sheehan, J. V.; Buss, E. W., Editors,
1440 p.,
2008