Article 90

generally to all electrical installations

Chapters 1 through 4 of the NEC apply________.

True

Chapters 5, 6, and 7 apply to special occupancies, special 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 shall not be required to comply with the installation requirements of Chapter 1 through 7, except where specifically referenced in Chapter 8.

wiring

Electrical hazards often occur because the initial _____ did not provide for increases in the use of electricity and therefore wiring systems become overloaded,

internal

Factory-installed ______ wiring of listed equipment need not be inspected at the time of installation of the equipment, except to detect alterations or damage.

shall or shall not

In the NEC, the word(s)"_____" indicate a mandatory requirement.

internal

It is the intent of the NEC that factory-installed _____ wiring of listed equipment need not be inspected time of installation of the equipment, except to detect alteration or damage.

Efficient use, convenience, and good service or future expansion of electrical use

The Code contains provisions considered necessary for safety, which will not necessarily result in _____.

shall be permitted

When the Code uses "________"it means the identified actions are allowed but not required, and they may be options or alternative methods.

a) special occupancies b) conditions c) special equipment

Chapters 5,6, and 7 of the NEC relate to _____.

an electrical system essentially free from hazard

Compliance with provisions of the NEC will result in _____.

Essentially free from hazards, not necessarily efficient or convenient, and not necessarily adequate for good service of future expansion.

Compliance with the Code and proper maintenance result in an installation that is_____.

True

Explanatory material, such as references to other standards, references to related sections of the NEC, or information related to a Code rule, are included in the form of Informational Notes.

a) overloading of wiring systems by methods of usage not in conformity with the NEC b) initial wiring not providing for increases in the use of electricity

Hazards often occur because of _____.

authority having jurisdiction

If the NEC requires new products that are not yet available at the time a new edition is adopted, the _____ may permit the us of the products that comply with the most recent previous edition of the Code adopted by that jurisdiction.

False

Installations shall comply with the material located in the NEC Annexes because they are part of the requirements of the Code.

shore

Installations supplying _____ power to ships and watercraft in marinas and boatyards are covered by the NEC

bidirectional

Installations used to export electric power from vehicles to premises wiring or for _____ current flow are covered by the NEC

for information only and not enforceable as a requirement of the Code

Nonmandatory Informative Annexes contained in the back of the Code book are _____.

False

The Code covers underground mine installations and self-propelled mobile surface mining machinery and its attendant trailing cable.

a)Electrical conductors and equipment within or on public and private buildings b) signaling and communication conductors c) optical fiber cables

The NEC applies to the installation of _____.

a) floating buildings b) mobile homes c) recreational vehicles

The NEC does apply to installations in _____.

True

The NEC does not cover electrical installations in ships, watercraft, railway rolling stock, aircraft, or automotive vehicles

for the practical safeguarding of persons and property.

The NEC is _____.

a) making interpretations of rules b) deciding upon the approval of equipment and materials c) waiving specific requirements in the Code and permitting alternate methods and material if safety in maintained

The authority having jurisdiction has the responsibility for_____.

authority having jurisdiction

The_____ has the responsibility for deciding on the approval of equipment and materials.

a) optical fibers cables b)electrical equipment c) raceways

This code covers the installation of ________ for public and privates premises, including buildings, structures, mobile homes, recreational vehicles, and floating buildings.

a) Signaling conductors, equipment, and raceways b)Communications conductors, equipment, and raceways c)Electrical conductors, equipment, and raceways

Which of the following systems shall be installed and removed in accordance with the NEC requirements?