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About the Author
Harvey Holzman is a master electrician licensed in the states of Texas, New York, and Kansas.
He has over thirty years of experience installing, repairing, and upgrading electrical systems for
residential and commercial customers. He is a long-time member of the International Association
of Electrical Inspectors.
The National Electrical Code®
The most informative and authoritative body of information concerning electrical wiring instal-
lation in the United States, and perhaps the world, is the National Electrical Code® (NEC). It estab-
lishes a set of rules, regulations, and criteria for the installation of electrical equipment. Compliance
with these methods will result in a safe installation.
The NEC is drafted by a team of experts assembled for this purpose by the National Fire
Protection Association (NFPA). This team is formally called the National Electrical Code committee.
They revise and update the NEC every three years. It is imperative that anyone installing electrical
wiring obtains and studies the NEC. Articles and sections of the NEC are referred to throughout
this text. Although certain portions, tables, and examples are directly quoted from its text, there
is enough useful information in the NEC that not having it available would be a tremendous
hindrance. The latest edition of the National Electrical Code can be purchased from the National Fire
Protection Association by visiting their Web site, www.nfpa.org, or writing to:
NFPA
1 Batterymarch Park
Quincy, MA 02169-7471