National electrical code handbook
Mark W. Earley, Jeffrey S. Sargent, Joseph V. Sheehan, E. William Buss, editor
National Fire Protection Assosiation, 2008
 Buku Referensi
National electrical safety code
by Institute of Electrical and Electronics Engineers
Institute of Electrical and Electronics Engineers, 1983
 Buku Teks SO
Summers, Wilford I.
NFPA handbook of the national electrical code
McGraw-Hill, 1975
 Buku Referensi
Marne, David J.
McGraw-Hill?s National Electrical Safety Code (NESC) handbook
McGraw-Hill, 2002
 Buku Referensi
McGraw-Hill's national electrical code handbook : eighteenth edition
editor, J.F. McPartland [and others]
McGraw-Hill, 1984
 Buku Referensi