(A) Covered. This Code covers the installation of electrical
conductors, equipment, and raceways; signaling and communications conductors, equipment, and raceways; and
optical fiber cables and raceways for the following:
(1) Public and private premises, including buildings, structures,
mobile homes, recreational vehicles, and floating
buildings
(2) Yards, lots, parking lots, carnivals, and industrial
substations
(3) Installations of conductors and equipment that connect
to the supply of electricity
(4) Installations used by the electric utility, such as office
buildings, warehouses, garages, machine shops, and
recreational buildings, that are not an integral part of a
generating plant, substation, or control center.
(B) Not Covered. This Code does not cover the following:
(1) Installations in ships, watercraft other than floating
buildings, railway rolling stock, aircraft, or automotive
vehicles other than mobile homes and recreational vehicles
FPN: Although the scope of this Code indicates that the
Code does not cover installations in ships, portions of this
Code are incorporated by reference into Title 46, Code of
Federal Regulations, Parts 110–113.
(2) Installations underground in mines and self-propelled
mobile surface mining machinery and its attendant
electrical trailing cable
(3) Installations of railways for generation, transformation,
transmission, or distribution of power used exclusively
for operation of rolling stock or installations used exclusively
for signaling and communications purposes
(4) Installations of communications equipment under the
exclusive control of communications utilities located
outdoors or in building spaces used exclusively for
such installations
(5) Installations under the exclusive control of an electric
utility where such installations
a. Consist of service drops or service laterals, and associated
metering, or
b. Are located in legally established easements or
rights-of-way designated by or recognized by public
service commissions, utility commissions, or other
regulatory agencies having jurisdiction for such installations,
or
c. Are on property owned or leased by the electric
utility for the purpose of communications, metering,
generation, control, transformation, transmission, or
distribution of electric energy.
FPN to (4) and (5): Examples of utilities may include those
entities that are typically designated or recognized by governmental
law or regulation by public service/utility commissions
and that install, operate, and maintain electric supply (such as
generation, transmission, or distribution systems) or communication
systems (such as telephone, CATV, Internet, satellite, or data services). Utilities may be subject to compliance with
codes and standards covering their regulated activities as
adopted under governmental law or regulation. Additional information
can be found through consultation with the appropriate
governmental bodies, such as state regulatory commissions,
the Federal Energy Regulatory Commission, and the
Federal Communications Commission.
(C) Special Permission. The authority having jurisdiction
for enforcing this Code may grant exception for the installation
of conductors and equipment that are not under the
exclusive control of the electric utilities and are used to
connect the electric utility supply system to the serviceentrance
conductors of the premises served, provided such
installations are outside a building or terminate immediately
inside a building wall.