Chapter 1 NEC

Equipment that is required to be located in sight from other equipment shall be visible and not more than ____ ' from the other equipment.

50'

Interpretations and approval of equipment are granted by the _____.

AHJ

Boxes installed within walls that are required to be taken down to gain access are not considered ____.

Accessible

A conductor's ___ is the amount of amperes it can carry continuously without exceeding its temperature rating.

Ampacity

If the AHJ finds the equipment or installation to be acceptable, it is ____.

Approval

The NEC requires that all electric equipment and conductors be ____ to be deemed acceptable to the AHJ.

Approve

If a splice is underground, the device shall be listed for ____ use.

Burial

All unused openings other than those intended for the operation of equipment are required to be effectively ____ to afford equivalent protection.

Closed

When not specified, all conductors in the NEC are considered to be ____.

Copper

_____ conductors are conductors not encased in a material recongnized by the NEC as electrical Insulation.

Covered

One of the primary Purposes of raceways is to support conductors and protect them from physical _____.

Damage

The NEC is not intended to be used as a(n) ____ specification.

Design

One of the ____ shall be readily accessible as required by the NEC.

Disconnect Means

Chapter ___ of the NEC is independent of the other chapters, and none of the provisions apply unless they are directly referenced.

Eight

T or F. At least two entrances to electrical rooms shall be provided to give access to the working space about all electrical equipment rated less than 1200 A.

False

T or F. The NEC is revised and updated every six years.

False

T or F. The NEC may be used as a design specification by qualified persons.

False

T or F. Wet locations are subject to moderate degrees of moisture, by are generally out of the weather.

False

Connectors, couplings, locknuts, and bushings are examples of electrical _____.

Fittings

The First _____ chapters of the NEC apply generally unless they are modified by the latter chapters.

Four

Although installed in conformance with the NEC, all electrical installations may not be adequate for ____ expansion of electrical use.

Future

Terminals for more than one conductor shall be ____.

Identify

_____ means recognized as suitable for the use, purpose, etc.

Identify

Equipment that is required to be readily accessible shall be capable of being reached quickly without the use of tools, with an exception for ___.

Keys

Equipment that has been _____ is published in a directory by the testing lab certifying that it has met established standards and is acceptable to the AHJ.

Listed

The AHJ can permit alternate ____ for installation, if they believe the installation is equally effective at meeting the intended objective.

Methods

Most voltage referenced in the NEC are ____ voltages.

Nominal

The two fold purpose of the NEC is to protect ____ from the hazards associated with the use of electricity.

Person and Property

The word ___ indicates that an NEC rule is mandatory.

Shall be

T or F. A short circuit is the unintentional connection of two underground conductors that have a potential difference between them.

True

T or F. Electric equipment with ventilating openings shall be installed so that opening are not obstructed to prevent the free circulation of air.

True

T or F. Equipment designed to open circuits under fault conditions shall have an interrupting rating not less than the available voltage and circuit current at the line side of the equipment.

True

T or F. Explanatory material appears in the NEC in Informational Notes.

True

T or F. The minimum headroom of working spaces about electrical equipment in commerical building is 6.5 feet.

True

The basic rule when selecting termination devices is to always use a termination device identified for the type of conductor material.

True