Code, Standards, and Practices 1

There are several installation requirements which are incorporated into each wiring device installation. Generally, there are _________ basic elements that relate directly to the wiring device and how it is installed are incorporated in electrical installations.

(4) I. The wiring method used in the rough installation II. The type of box used at the outlet location where the device is installed III. The wiring device IV. The finish cover(s) or trim plate(s) which complete the installation

The resistance of 1,000 feet of 10 AWG, uncoated, solid, copper conductor is ___________.

1.21 Ω Table 8, Chapter 9

The resistance per 1,000 feet of 8 AWG aluminum stranded conductor is _________.

1.28 Ω Table 8, Chapter 9

What is the minimum size copper equipment grounding conductor required for a 20-ampere lighting circuit?

12 AWG 250.122

The minimum size conductors generally permitted to be used for voltage ratings up to and including 2,000 volts as _______ copper or _______ aluminum.

14 AWG / 12 AWG 310.3(A)

What is the minimum size copper equipment grounding conductor allowed by the NEC to serve a 15-ampere lighting load?

14 AWG Table 250.122

What is the minimum rating required for a receptacle?

15 A 406.3(B)

Straight blade plugs and connectors come in what two primary amperage ratings?

15 A and 20 A

A single receptacle connected to a 30-ampere branch circuit must generally have a rating not less than _______.

30 A 210.21(B)(1)

Using Table 310.4(1), the insulation thickness of a 10 AWG TW conductor is _______.

30 Mils 310.4(1)

A snap switch shall not be grouped or ganged with other snap switch or a receptacle unless the voltage does not exceed ________ between the devices, or they are separated by identified, securely installed barriers.

300 V 404.8(B)

When conductors are to be spliced or terminated in a junction box, NEC generally requires at least _______ of free conductor to be left available for splicing or terminating.

6" 300.14

According to the NEC the 600-volt insulated conductor TW is rated for _______°C.

60 310.4(1)

NEC Table 310.4(1) covers conductor applications and insulations rated ______ volts.

600 310.4(1)

How many strands of wire are used in the makeup of 6 AWG stranded conductor?

7 Table 8, Chapter 9

1. The conductors and equipment required or permitted by this Code shall be acceptable only if ________________.

Approved 110.2

Receptacles rated 20 A or less and designed for the direct connection of aluminum conductors shall be marked ____________.

CO/ALR 406.3(C)

In the NEC, 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 90.3

1. Unused openings in boxes are generally required to be _________.

Closed 110.12(A)

A flanged inlet allows for the connection of utilization equipment by the use of a matching cord _____________.

Connector (or cord body)

1. If the conductor material is not specified, the sizes given in the NEC shall apply to ____________ conductors.

Copper 110.5

Which of the following is not permitted as a conductor material in Article 310 shall be of _________, Aluminum, and Copper-clad aluminum.

Copper 310.3(B)

Conductors, not specifically permitted elsewhere in the NEC to be ________ or bare, shall be Insulated.

Covered. 310.3(D)

Heat generated internally in a conductor is the direct result of load ________.

Current flow 310.14(A)(3) Information Note 1 (2)

1. The IEC 309 clocking system prevents the mating of plugs and receptacles of different _____ and _______ ratings.

Current/ Voltage

Nonmetallic-sheathed cable wiring is generally used in a _______ location.

Dry 334.12(B)(4)

Insulation types of THWN-2 is not moisture resistant?

False Table 310.4(1)

1. Explanatory material, such as references to other standards, references to related sections of the NEC, or information related to a Code rule, is included in the NEC in the form of _________.

Informational Notes 90.5(C)

Equipment that is listed, labeled, or both, or identified for a use shall be installed and used in accordance with any _______ included in the listing, labeling, or identification.

Instructions 110.3(B)

Receptacles incorporating an _______ grounding conductor connection intended for the reduction of electrical noise (electromagnetic interference) as permitted in NEC 250.146(D) shall be identified by an orange triangle located on the face of the receptacle.

Isolated 406.3(E)

Straight-blade and locking-blade wiring devices are generally used in the __________ configuration system.

NEMA

Receptacles installed on branch circuit wiring must generally be rated _______ the overcurrent device protecting the branch circuit.

Not less than 210.21(B)(1)

Where receptacles are rated higher than 50 amperes, the rating of the receptacle must be __________ the rating of the branch circuit to which it is connected

Not less than 210.21(B)(3)

At least _____ lighting outlet controlled by a listed wall-mounted control device shall be installed in every habitable room, kitchen, and bathroom.

One 210.70(A)(1)

According to the NEC, a _________________ is defined 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."

Qualified Person 100

The Code contains provisions considered necessary for ___________.

Safety 90.2(B)

Horsepower-rated ________ receptacles prevent the startup of machines or equipment if the plug is not fully and correctly engaged with the receptacle.

Safety-interlock

The wiring devices installed in residential, Commercial, or industrial applications are basically installed in a ________ fashion.

Similar

_______________ is defined as connected to ground without inserting any resistor or impedance device.

Solidly grounded 100

The statement "The practical safeguarding of persons and property from hazards arising from the use of electricity" best describes the purpose of ________.

The code 90.2(A)

According to the NEC THW-2 conductor is recognized as an insulated conductor.

True 310.4(1)

According to the NEC, a _________________ is defined as, "Equipment that is constructed so that moisture will not enter the enclosure under specified test conditions would be."

Watertight 100

Insulated conductors installed in a raceway underground would be considered to be installed in a _________ and shall be complied with ____________.

Wet location / 310.10(C) 300.5(B)

Snap switches, including dimmer and similar control switches, shall be connected to an equipment grounding conductor and shall provide a means to connect metal faceplates to the equipment grounding conductor, _________ a metal faceplate is installed.

Whether or not 404.9(B)

A non-grounding type receptacle shall ____________to be replaced with a grounding-type receptacle were supplied through a GFCI.

be permitted 406.4(D)(2)(c)

Article 90 covers use and application, arrangement, and __________ of the NEC.

enforcement 90.1

Receptacle mount in a box that are set back from the finished surface shall be installed such that the mounting yoke or strap of the receptacle is held rigidly at the ______________.

finish surface 406.5(A)

When connecting receptacles and the terminals are visible, the terminal identification for the ___ conductor may be recognized by a metal or metal coating that is substantially in white color.

grounded 200.10(B)(1)

Equipment that is listed, labeled, or both, or identified for a use shall be installed and used in accordance with any ___________ included in the listing, labeling, or identification.

instructions 110.3(B)

Where the white or gray conductor of a cable assembly is used as a switch loop for circuits of 50 volts or more, the switch loop must be permanently reidentified as an ungrounded conductor by ____________________________.

marking tape, painting, or other effective means of a color other than white, gray, or green 200.7(C)(1)

Where one or more internal cable clamps, whether factory or field supplied, are present in the box, a _______ volume allowance in accordance with table 314.16 (B)(1) shall be made based on the largest conductor present in the box.

single 314.16 (B)(2

Electrical equipment is required to be installed in a _________ and professional manner.

skillful 110.12

In general, all 15- and 20-ampere, 125- and 250-volt nonlocking-type receptacles in childcare facilities shall be listed _________ receptacles.

tamper-resistant. 406.12(3)

Listed is defined, in part, as equipment, materials, or services included in a list published by an organization acceptable to ________________________.

the authority having jurisdiction (AHJ) 100

The temperature rating associated with the ampacity of a conductor shall be selected and coordinated so as not to exceed_________temperature rating of any connected termination, conductor, or device.

the lowest 110.14(C)

The National Electrical Code is not intended as a design specification or an instruction manual for ____________ persons

untrained 90.2(A)

The enclosure for a receptacle installed in an outlet box flush-mounted in a finished surface shall be made weatherproof by means of a ___________ that provides a watertight connection between the plate and the finished surface.

weatherproof faceplate assembly 406.9(D)