NEC Article 90
Which of the following systems shall be installed and removed in accordance with the NEC requirements?
All of these
The Code covers underground mine installations and self-propelled mobile surface mining machinery and its attendant electrical trailing cable.
False
Chapters 5, 6, and 7 apply to special occupancies, equipment, or other special conditions and may supplement or modify the requirements in Chapters 1 through 7.
True
Communications wiring such as telephone, antenna, and CATV wiring within a building shal not be required to comply with the installation requirements of Chapters 1 through 7, except where specifically referenced in Chapter 8
True
The NEC does not cover electrical installations in ships, water craft, railway rolling stock, aircraft, or automotive vehicles.
True
Chapters 5, 6, and 7 of the NEC apply to .
all of these
Compliance with the Code and proper maintenance result in an installation that is essentially ____________.
all of these
The Code contains provisions considered necessary for safety, which will not necessarily result in ______.
all of these
The Code covers the installation of _________ for public and private premises, including buildings, structures, mobile homes, recreational vehicles and floating buildings.
all of these
The NEC applies to the installation of .
all of these
The NEC does apply to installations in .
all of these
Compliance with the provisions of the NEC will result in _______.
an electrical system essentially free from hazard
Installations of communications equipment that are under the exclusive control of commination's utilities and located outdoors or in building spaces used exclusively for such installations covered by the NEC
are not
Installations used to export electric power from vehicles to premises wiring or for current flow are covered by the NEC.
bidirectional
The NEC is ______.
for the practical safeguarding of persons or property
Chapters 1 through 4 of the NEC apply .
generally to all electrical installations
Hazards often occur because of _____________________.
initial wiring not providing for the increases in the use of electricity
The Code does not cover installations under the exclusive control of an electrical utility such as .
service drops and laterals
Installations supplying power to ships and watercraft in marinas and boatyards are covered by the NEC.
shore
Electrical hazards often occur because the initial ______ did not provide for the increases in the use of electricity and therefore wiring systems can become overloaded.
wiring