The national electrical code handbook
edited by Mark W. Earley, Richard H. Murray, John M. Caloggero
National Fire Protection Assoociation, 1989
 Buku Referensi
McGraw-Hill's national electrical code handbook : eighteenth edition
editor, J.F. McPartland [and others]
McGraw-Hill, 1984
 Buku Referensi
Marne, David J.
McGraw-Hill?s National Electrical Safety Code (NESC) handbook
McGraw-Hill, 2002
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McGraw-Hill Dictionary of electrical and electronic engineering
edited by Sybil P. Parker
McGraw-Hill, 1984
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McGraw-Hill's handbook of electrical construction calculations
Joseph F. McPartland, Brian J. McPartland, Steven P. McPartland, Jack E. Fullizzi
McGraw-Hill, 1998
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