Pocket Guide to the National Electrical Code®, 2005 Edition 8/e © 2005
Marvin J. Fischer P.E.

Guide to the National Electrical Code, 2002 Edition 9/e © 2002
Thomas L. Harman

Pocket Guide to National Electrical Code, 2002 Edition 7/e © 2002
Marvin J. Fischer P.E.

Journeyman's Guide to the National Electrical Code, 1999 Edition 1/e © 2000
F. Marco Gotshaw