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Elap 4A > UNEC 2 Articles 90-110 > Flashcards

UNEC 2 Articles 90-110 Flashcards

1
Q

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

A

(D) - All of these

Signaling conductors, equipment, and raceways.
Communications conductors, equipment, and raceways.
Electrical conductors, equipment, and raceways.

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2
Q

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

A

Authority having jurisdiction

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3
Q

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

A

(D) a or b

Shall, shall be permitted

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4
Q

Installations of communications equipment that are under the exclusive control of communications utilities, and located outdoors or in building spaces used exclusively for such installations _____ covered by the NEC.

A

are not

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5
Q

The authority having jurisdiction has the responsibility for _____

A

(D) all of these

making interpretations of rules

deciding upon the approval of equipment and materials

waiving specific requirements in the Code and permitting alternate methods and material if safety is maintained.

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6
Q

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

A

shall be permitted

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7
Q

Chapters 1 through 4 of the NEC apply _____.

A

generally to all electrical installations

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8
Q

Compliance with the provisions of the NEC will result in _____.

A

an electrical system essentially free from hazard

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9
Q

Electric utilities may include entities that install, operate, and maintain _____.

A

(D) a or b

communications systems

electric supply systems

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10
Q

The NEC is _____.

A

for the practical safeguarding of persons and property

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11
Q

A(n) “_____” is a device, or group of devices, by which the conductors of a circuit can be disconnected from their source of supply.

A

disconnecting means

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12
Q

An “optical fiber cable” is a factory assembly or field assembly of one or more optical fibers having a(n) _____ covering.

A

overall

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13
Q

The NEC defines a(n) “_____” as one who has skills and knowledge related to the construction and operation of the electrical equipment and installations and has received safety training to recognize and avoid the hazards involved.

A

qualified person

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14
Q

When the term “exposed,” as it applies to live parts, is used in the Code, it refers to _____.

A

(D) a and b

being capable of being inadvertently touched or approached nearer than a safe distance by a person

parts that are not suitably guarded, isolated, or insulated

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15
Q

“Bonded” is defined as _____ to establish electrical continuity and conductivity.

A

connected

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16
Q

A cable routing assembly is composed of single or connected multiple channels as well as associated fittings, forming a structural system to _____ communications wires and cables, optical fiber and data cables; and Class 2, Class 3, and Type PLTC cables; and power-limited fire alarm cables in plenum, riser, and general-purpose applications.

A

(D) a and b

Support

Route

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17
Q

Equipment or materials included in a list published by a testing laboratory acceptable to the authority having jurisdiction are said to be “_____.”

A

listed

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18
Q

A _____ location may be temporarily subject to dampness and wetness.

A

dry

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19
Q

A panel, including buses and automatic overcurrent devices, designed to be placed in a cabinet or cutout box and accessible only from the front is known as a “_____.”

A

panelboard

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20
Q

Capable of being removed or exposed without damaging the building structure or finish, or not permanently closed in by the structure or finish of the building is known as “_____.”

A

accessible (as applied to wiring methods)

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21
Q

A(n) _____ that performs field evaluations of electrical or other equipment is known as a “Field Evaluation Body (FEB).”

A

(C) a or b

part of an organization

organization

22
Q

Equipment enclosed in a case or cabinet with a means of sealing or locking so that live parts cannot be made accessible without opening the enclosure is said to be “_____.”

A

sealable

23
Q

A “_____” is a building or portion of a building in which one or more self-propelled vehicles can be kept for use, sale, storage, rental, repair, exhibition, or demonstration purposes.

A

garage

24
Q

A reliable conductor that ensures electrical conductivity between metal parts of the electrical installation that are required to be electrically connected is called a(n) “_____.”

A

bonding conductor or jumper

25
Q

A _____ is a single unit that provides complete and independent living facilities for one or more persons, including permanent provisions for living, sleeping, cooking, and sanitation.

A

dwelling unit

26
Q

Illumination shall be provided for all working spaces about service equipment, switchboards, switchgear, panelboards, or motor control centers _____.

A

installed indoors

27
Q

Only wiring methods recognized as _____ are included in this Code.

A

suitable

28
Q

When modifications to the electrical installation occur that affect the maximum available fault current at the service, the maximum available fault current shall be verified or _____ as necessary to ensure the service equipment ratings are sufficient for the maximum available fault current at the line terminals of the equipment.

A

recalculated

29
Q

A minimum working space depth of _____ ft to live parts of equipment operating at 277 volts-to-ground is required where there are exposed live parts on one side and no live or grounded parts on the other side.

A

3

30
Q

Industry standards are available for application of reconditioned and refurbished equipment. _____ servicing of equipment that remains within a facility should not be considered reconditioning or refurbishing.

A

Normal

31
Q

Working space distances for enclosed live parts shall be measured from the _____ of equipment or apparatus, if the live parts are enclosed.

A

(C) a or b

enclosure

opening

32
Q

For equipment rated 1,200A or more and over 6 ft wide that contains overcurrent devices, switching devices, or control devices, there shall be one entrance to and egress from the required working space not less than 24 in. wide and _____ ft high at each end of the working space.

A

6 1/2

33
Q

Connection of conductors to terminal parts shall ensure a thoroughly good connection without damaging the conductors and shall be made by means of _____.

A

(D) any of these

solder lugs

pressure connectors

splices to flexible leads

34
Q

In judging equipment for approval, considerations such as _____ shall be evaluated.

A

(D) all of these

mechanical strength
wire-bending space
arcing effects

35
Q

The minimum working space on a circuit for equipment operating at 120 volts-to-ground, with exposed live parts on one side and no live or grounded parts on the other side of the working space, is _____ ft.

A

3

36
Q

Where caution, warning, or danger signs or labels are required by this Code, the label marking shall warn of the hazards using effective _____.

A

(D) any combination of words, colors, or symbols

37
Q

Internal parts of electrical equipment, including _____, shall not be damaged or contaminated by foreign materials such as paint, plaster, cleaners, abrasives, or corrosive residues.

A

(D) all of these

busbars
wiring terminals
insulators

38
Q

Conductor terminal and splicing devices shall be _____ for the conductor material and they shall be properly installed and used.

A

identified

39
Q

The term “rainproof” is typically used in conjunction with enclosure type(s) _____.

A

(D) b and c

3R
3RX

40
Q

Each disconnecting means shall be legibly marked to indicate its purpose unless located and arranged so _____.

A

the purpose is evident

41
Q

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

A

internal

42
Q

Communications equipment includes equipment and conductors used for the transmission of _____.

A

(D) any of these

audio
video
data

43
Q

An enclosure constructed so that moisture will not enter the enclosure under specific test conditions is called “_____.”

A

watertight

44
Q

A _____ location is protected from weather and not subject to saturation with water or other liquids.

A

damp

45
Q

The conductors and equipment from the electric utility that deliver electric energy to the wiring system of the premises served is called a “_____.”

A

service

46
Q

_____ equipment excludes dust and doesn’t permit arcs, sparks, or heat inside the enclosure to cause ignition of accumulations or atmospheric suspensions of a specified dust on or in the vicinity outside of the enclosure.

A

dust-ignitinproof

47
Q

A Class A GFCI protection device is designed to trip when the current to ground is _____ or higher.

A

6 mA

48
Q

Surrounded by a case, housing, fence, or wall(s) that prevents persons from accidentally contacting energized parts is called “_____.”

A

enclosed

49
Q

An arc-fault circuit interrupter is a device intended to de-energize the circuit when a(n) _____ is detected.

A

arc fault

50
Q

The maximum current, in amperes, that a conductor can carry continuously under the conditions of use, where the temperature will not be raised in excess of the conductor’s insulation temperature rating is called its “_____.”

A

ampacity

Elap 4A (2 decks)

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