NEC Article 100 Definitions Quiz

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About NEC Article 100 Definitions Quiz

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This quiz through repetition by design helps you learn the definitions contained in Article 100. It contains only 10 questions generated from a bank of 121 questions. Quick and painless.
Each time you take the quiz, questions are shuffled and 10 are picked randomly from the bank. The more often you take it the more questions you will be exposed to and the more you will learn the definitions within the National Electrical Code. And you will learn them.
Pressing the submit button immediately returns your score along with the test questions and correct answer information for those questions you answered wrong. The test results are a very useful study tool.

Trade Category:	Electrical
Test Category:	National Electrical Code
Test Subject:	Article 100 Definitions
Test Number:	1 of 1
Questions on Test:	10
From Bank of:	121 Questions
Randomly Generated:	Yes
Test Time:

Results

#1. What is a covered conductor?

A conductor encased within material of composition or thickness that is not recognized by the Code as electrical insulation.

An insulated conductor.

A conductor that is concealed.

A conductor that is approved by the NEC.

CORRECT ANSWER INFO:

Correct answer is A: A conductor encased within material of composition or thickness that is not recognized by the Code as electrical insulation.

NEC DEFINITION:

Conductor, Covered: A conductor encased within material of composition or thickness that is not recognized by this Code as electrical insulation.

(Article 100 Definitions: Part I General)

#2. What is the NEC defininition for a disconnecting means?

A circuit breaker for the oil burner.

A horsepower-rated general-purpose or heavy-duty safety switch that is capable of disconnecting power to a motor while under locked-rotor current condition.

A device, or group of devices, or other means by which the conductors of a circuit can be disconnected from their source of supply.

The main service switch to a building.

CORRECT ANSWER INFO:

Correct answer is C: A device, or group of devices, or other means by which the conductors of a circuit can be disconnected from their source of supply.

NEC DEFINITION:

Disconnecting Means: A device, or group of devices, or other means by which the conductors of a circuit can be disconnected from their source of supply.

(Article 100 Definitions: Part I General)

NT NOTE:

The other three choices are each a disconnecting means.

#3. Which is the general definition of a “circuit breaker” in the NEC?

A plumber who cuts through cables while installing pipes and drains or a tin-knocker that pushes electrical conduits out of the way to install duct work snapping couplings, chafing conductors, and breaking the circuit.

An overcurrent protective device with a circuit-opening fusible part that is heated and severed by the passage of overcurrent through it.

A device designed to open and close a circuit by nonautomatic means and to open the circuit automatically on a predetermined overcurrent without damage to itself when properly applied within its rating.

A device in a loadcenter that has a red flag showing in its little plastic window indicating something is wrong.

CORRECT ANSWER INFO:

Correct answer is C: A device designed to open and close a circuit by nonautomatic means and to open the circuit automatically on a predetermined overcurrent without damage to itself when properly applied within its rating.

NEC DEFINITION:

Circuit Breaker: A device designed to open and close a circuit by nonautomatic means and to open the circuit automatically on a predetermined overcurrent without damage to itself when properly applied within its rating.

(Article 100 Definitions; Part I General)

#4. What is a copper-clad aluminum conductor?

A conductor with a copper core that has aluminum metallurgically bonded to it.

A conductor with an aluminum core that has a minimum amount of 10% copper metallurgically bonded to it.

A conductor with a mixture of aluminum and copper.

A conductor of aluminum that has a copper sheathing.

CORRECT ANSWER INFO:

Correct answer is C: A conductor with an aluminum core that has a minimum amount of 10% copper metallurgically bonded to it.

NEC DEFINITION:

Copper-Clad Aluminum Conductors: Conductors drawn from a copper-clad aluminum rod, with the copper metallurgically bonded to an aluminum core, where the copper forms a minimum of 10 percent of the cross-sectional area of a solid conductor or each strand of a stranded conductor.

(Article 100 Definitions: Part I General)

#5. The NEC defines a “Building” as

a structure built from natural or man-made materials.

a man-made structure that you live, work, or otherwise occupy.

a structure that stands alone or that is separated from adjoining structures by firewalls.

the act of constructing.

CORRECT ANSWER INFO:

Correct answer is C: a structure that stands alone or that is separated from adjoining structures by firewalls.

NEC DEFINITION:

Building: A structure that stands alone or that is separated from adjoining structures by firewalls.

(Article 100 Definitions; Part I General)

#6. What is an insulated conductor?

A conductor encased within material of composition or thickness that is not recognized by the Code as electrical insulation.

A conductor encased within material of composition or thickness that is recognized by the Code as electrical insulation.

A conductor with a high R-value at full load.

A covered conductor.

CORRECT ANSWER INFO:

Correct answer is B: A conductor encased within material of composition or thickness that is recognized by the Code as electrical insulation.

NEC DEFINITION:

Conductor, Insulated: A conductor encased within material of composition or thickness that is recognized by this Code as electrical insulation.

(Article 100 Definitions: Part I General)

#7. The definition of “Associated Apparatus” as it applies to Hazardous (Classified) Locations is

apparatus in which the circuits are not necessarily intrinsically safe themselves but that affects the energy in the intrinsically safe circuits and is relied on to maintain intrinsic safety.

explosion-proof fittings.

personal protective equipment.

apparatus in which association is by disassociation with the somewhat associated accessories that do not associate with the other flippin apparatus!

CORRECT ANSWER INFO:

Correct answer is A: apparatus in which the circuits are not necessarily intrinsically safe themselves but that affects the energy in the intrinsically safe circuits and is relied on to maintain intrinsic safety.

NEC DEFINITION:

Associated Apparatus” [as it applies to Hazardous (Classified) Locations]: Apparatus in which the circuits are not necessarily intrinsically safe themselves but that affects the energy in the intrinsically safe circuits and is relied on to maintain intrinsic safety.

(Article 100 Definitions; Part I General)

#8. A “Charge Controller” is defined as

a device or group of devices that serves to govern, in some predetermined manner, the electric power delivered to the apparatus to which it is connected.

any electrical circuit that controls any other circuit through a relay or an equivalent device.

equipment that controls DC voltage or DC current, or both, and that is used to charge a battery or other energy storage device.

a device that controls static charges so that they do not present a nuisance in communication circuits.

CORRECT ANSWER INFO:

Correct answer is C: equipment that controls DC voltage or DC current, or both, and that is used to charge a battery or other energy storage device.

NEC DEFINITION:

Charge Controller: Equipment that controls DC voltage or DC current, or both, and that is used to charge a battery or other energy storage device.

(Article 100 Definitions; Part I General)

#9. Which is the NEC definition of a “Clothes Closet”?

A small storage area where clothes, shoes, and deep secrets are kept.

A large, almost room-like area where your wife keeps thousands of shoes, many of which she will only wear once, and also enough clothes to insulate the Taj Mahal even if it were located in Santa Land at the North Pole.

A nonhabitable room or space intended primarily for storage of garments and apparel.

A nonhabitable room where you keep your extra set of golf clubs among other paraphernalia.

CORRECT ANSWER INFO:

Correct answer is C: A nonhabitable room or space intended primarily for storage of garments and apparel.

NEC DEFINITION:

Clothes Closet: A nonhabitable room or space intended primarily for storage of garments and apparel.

(Article 100 Definitions: Part 1 General)

#10. What is an unintentional, elecrically conductive connection between an ungrounded conductor of an electrical circuit and the normally non-current-carrying conductors, metallic enclosures, metallic raceways, metallic equipment, or earth called?

A ground fault

A weld

A mistake

A short circuit

CORRECT ANSWER INFO:

Correct answer is A: A ground fault

NEC DEFINITION:

Ground fault: An unintentional, elecrically conductive connection between an ungrounded conductor of an electrical circuit and the normally non-current-carrying conductors, metallic enclosures, metallic raceways, metallic equipment, or earth.

(Article 100 Definitions: Part I General)

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