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. Regarding an electrical circuit, what is meant when it is said to be “grounded”?

When a conductive rod is stuck into the ground.

Connected to the green screw in the box.

When the neutral is bonded to the grounding electrode conductor.

Connected to ground or to a conductive body that extends the ground connection.

CORRECT ANSWER INFO:

Correct answer is D: Connected to ground or to a conductive body that extends the ground connection.

NEC DEFINITION:

Grounded (Grounding): Connected (connecting) to ground or to a conductive body that extends the ground connection.

(Article 100 Definitions: Part I General)

NT NOTE:

While each of the answers can be technically correct in that they are examples of “grounded” as applied in practical field terminology, the correct answer for this quiz question is D because it is the NEC definition of grounded.

#2. 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)

#3. A multi-family dwelling is defined in the NEC as

a building that contains three or more dwelling units.

a building that contains more than three dwelling units.

a dwelling unit that has multiple families living within it.

an apartment building.

CORRECT ANSWER INFO:

Correct answer is A: A building that contains three or more dwelling units.

NEC DEFINITION:

Dwelling, Multi-Family: A building that contains three or more dwelling units.

(Article 100 Definitions: Part I General)

NT NOTE:

For the sake of study convenience we list the NEC definitions for the different types of dwelling units:

Dwelling, One-Family: A building that consists solely of one dwelling unit.

Dwelling, Two-Family: A building that consists solely of two dwelling units.

Dwelling, Multifamily: A building that contains three or more dwelling units.

Dwelling Unit: A single unit, providing complete and independent living facilities for one or more persons, including permanent provisions for living, sleeping, cooking, and sanitation.

#4. Which of the following terms is defined as “acceptable to the authority having jurisdiction.” ?

Labeled

Qualified person.

Listed

Approved

CORRECT ANSWER INFO:

Correct answer is D: Approved

NEC DEFINITION:

Approved: Acceptable to the authority having jurisdiction.

(Article 100 Definitions; Part I General)

#5. A “bathroom” is defined in the NEC as

an area where an individual takes a bath and freshens up including all soap dispensers, sweet smelly stuff, and breath mints.

an area which contains a tub.

an area that includes a tub and/or shower and toilet or urinal.

an area including a basin with one or more of the following: a toilet, a urinal, a tub, a shower, a bidet, or similar plumbing fixtures.

CORRECT ANSWER INFO:

Correct answer is D: an area including a basin with one or more of the following: a toilet, a urinal, a tub, a shower, a bidet, or similar plumbing fixtures.

NEC DEFINITION:

Bathroom: An area including a basin with one or more of the following: a toilet, a urinal, a tub, a shower, a bidet, or similar plumbing fixtures.

(Article 100 Definitions; Part I General)

#6. 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)

#7. An arc-fault circuit interrupter is

a device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to deenergize the circuit when an arc fault is detected.

is a circuit breaker designed to trip when you connect an appliance to it that has an arcing motor.

is a high-voltage cut-out designed to minimize flash burn.

the ocean current that interrupted Noahs voyage causing his arc to fault and hit Mt Ararat.

CORRECT ANSWER INFO:

Correct answer is A: a device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to deenergize the circuit when an arc fault is detected.

NEC DEFINITION:

Arc-fault circuit interrupter: A device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to deenergize the circuit when an arc fault is detected.

(Article 100 Definitions; Part I General)

#8. An “Appliance” is defined in the NEC as

a piece of equipment that has a motor within it.

an industrial piece of equipment.

utilization equipment, generally other than industrial, that is built in standardized sizes or types and is installed or connected as a unit to perform one or more functions such as clothes washing, air-conditioning, food mixing, deep frying, and so forth.

kitchen equipment.

CORRECT ANSWER INFO:

Correct answer is C: utilization equipment, generally other than industrial, that is built in standardized sizes or types and is installed or connected as a unit to perform one or more functions such as clothes washing, air-conditioning, food mixing, deep frying, and so forth.

NEC DEFINITION:

Appliance: utilization equipment, generally other than industrial, that is built in standardized sizes or types and is installed or connected as a unit to perform one or more functions such as clothes washing, air-conditioning, food mixing, deep frying, and so forth.

(Article 100 Definitions; Part I General)

#9. Which of the following maintains “The connection between the grounded circuit conductor and the supply-side bonding jumper, or the equipment grounding conductor, or both, at a separately derived system.”

Bonded Conductor

System Bonding Jumper

Grounded Conductor Jumper

Grounded Conductor Service Bus Bar

CORRECT ANSWER INFO:

Correct answer is B: System Bonding Jumper

NEC DEFINITION:

System Bonding Jumper: The connection between the grounded circuit conductor and the supply-side bonding jumper, or the equipment grounding conductor, or both, at a separately derived system.”

(Article 100 Definitions; Part I General)

#10. The NEC defines “concealed” as

Hidden from view.

Rendered inaccessible by the structure or finish of the building.

Not admitting close approach.

Not capable of being reached quickly.

CORRECT ANSWER INFO:

Correct answer is B: Rendered inaccessible by the structure or finish of the building.

NEC DEFINITION:

Concealed: Rendered inaccessible by the structure or finish of the building.

Informational Note: Wires in concealed raceways are considered concealed, even though they may become accessible by withdrawing them.

(Article 100 Definitions: Part 1 General)

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