NEC Article 90

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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


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