Article 100 (9 pages, 95 questions)

Question 1

admitting close approach, not guarded by locked doors, elevation, or other effective means, is referred to as __________

Answer 1

accessible
(as applied to equipment)

Question 2

capable of being removed or exposed without damaging the building structure to finish, or not permanently closed in by the structure or finish of the building is known as ________

Answer 2

accessible
(as applied to wiring methods)

Question 3

capable of being reached quickly for operation, renewal, or inspections without resorting to portable ladders and such is known as

Answer 3

accessible, readily

Question 4

the current in amperes a conductor can carry continuously, where the temperature will not be raised in excess of the conductor’s insulation temperature rating is called its ______
(see 310.10 and 320.15 for details and examples, figure 100-4)

Answer 4

ampacity

Question 5

acceptable to the authority having jurisdiction means ______

Answer 5

approved

Question 6

a device that established a connection between the conductors of the attached flexible cord and the conductors connected to the receptacle is called a(n)

Answer 6

ANY of these

-attachment plug
-plug cap
-plug

Question 7

where no statutory requirements exists, the AHJ could be a property owner or his/ her agent, such as an architect or engineer

Answer 7

TRUE

Question 8

a _________ is an area that includes a basin with a toilet, tub, or shower

Answer 8

Bathroom

Question 9

bonded can be described as ______ to establish electrical continuity and conductivity

Answer 9

connected

resistance: opposition to current flow in DC circuit

impedance: opposition to current flow in AC circuit, inductive reactance, capacitive reactance

Question 10

the connection between the grounded conductor and the equipment grounding conductor at the service is accomplished by installing a(n) _________ jumper

Answer 10

main bonding

Question 11

the conductors between the final over current device protecting the circuit and the outlet(s) are known as _________ conductors

Answer 11

branch - circuit

Question 12

a branch circuit that supplies only one utilization equipment is a(n) ______ branch circuit

Answer 12

individual

*“dedicated” has no meaning in the code

Question 13

for a circuit to be considered a multi-wire branch circuit, it shall have _____

Answer 13

ALL of these:

• two or more ungrounded conductors with a voltage potential between them

-a grounded conductor having equal voltage potential between it and each ungrounded conductor of the circuit

-a grounded conductor connected to the neutral or grounded terminal of the system

Question 14

the NEC defines a(n) _________ as a structure that stands alone or that is cut off from adjoining structures by firewalls, with all the opening therin protected by approved fire doors.

Answer 14

Building.

Question 15

An enclosure for either surface mounting or flush mounting provided with a frame in which a door can be hung is called a(n)

Answer 15

cabinet

Question 16

_________ is a term indicating that there is an intentional delay in the tripping action of the circuit breaker, which decreases as the magnitude of the circuit increases

Answer 16

inverse - time

Question 16

a circuit breaker is a device designed to ____ the circuit automatically on a predetermined overcurrent without damage to itself when properly applied within its rating

Answer 16

open

Question 17

a clothes closet is defined as a _______ room or space intended primarily for storage of garments and apparel

Answer 17

nonhabitable

Question 17

communications equipment includes equipment used for the transmission of _____

Answer 17

All of these
-audio
-video
-data

Question 18

cables are considered ______ is rendered inaccessible by the structure or finish of the building

Answer 18

concealed

Question 19

a separate portion of a raceway system that provides access through a removable cover to the interior of the system, defines the term _________

Answer 19

conduit body

Question 20

a solderless pressure connector is a device that ________ between conductors or between conductors and a terminal by means of mechanical pressure

Answer 20

establishes a connection

Question 21

a load is considered to be continuous if the maximum current is expected to continue for _______ or more

Answer 21

3 hours

Question 22

a ______ is a device that governs, in some predetermined manner, the electric power delivered to the apparatus to which it is connected

Answer 22

controller

Question 23

the choice of overcurrent protective devices so that an overcurrent condition will be localized and restrict outages to the cicuit or equipment affected, is called _____

Answer 23

selective coordination

Question 24

_______ are designed for surface mounting with a swinging door

Answer 24

cutout boxes

Question 25

the ______ of any system is the ratio of the maximum demand of a system, or part of a system, to the total connected load of a system

Answer 25

demand factor

Question 26

a unit of an electrical system that carries or controls electric energy as its principal function is a(n) ________

Answer 26

device

Question 27

a(n) ______ is a device by which the conductors of a circuit can be disconnected from their source of supply

Answer 27

disconnecting means *in sight of/ within sight of

Question 28

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

Answer 28

dwelling unit

Question 29

a building that contains three or more dwelling units is called a ______

Answer 29

multifamily dwelling

Question 30

a fixed, stationary, or portable self-contained, electrically illuminated equipment with words or symbols designed to convey information or attract attention, describes _____

Answer 30

an electric sign

Question 31

as used in the NEC, equipment includes _________

Answer 31

ALL of these: -fittings -appliances -machinery

Question 32

on or attached to the surface or behind access panels designed to allow access is known as _____

Answer 32

exposed

Question 33

the NEC defines a ______ as "all circuit conductors between the service equipment, the source of a separately derived system, or other power-supply source and the final branch-circuit overcurrent device"

Answer 33

feeder

Question 34

an accessory, such as a locknut, intended to perform a mechanical function best describes a _______

Answer 34

fitting

Question 35

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.

Answer 35

garaje

Question 36

the word "earth" best describes what NEC term

Answer 36

ground

Question 37

"connected to ground or to a conductive body that extends the ground connection" is called _________

Answer 37

grounded

Question 38

a circuit conductor that is intentionally grounded is called a ________

Answer 38

grounded conductor

Question 39

"connected to ground without the insertion of any resistor or impedance device" is ______

Answer 39

solidly grounded

Question 40

a device intended for the protection of personnel that functions to de-energize a circuit or portion there of within an established period of time when a current to ground exceeds the values established for a Class A device, is an ______

Answer 40

ground- fault circuit interrupter

Question 41

a "class A" GFCI-protection device is designed to trip when the ground-fault current is ______ or higher

Answer 41

6 mA

Question 42

a system intended to provide protection of equipment from damaging line-to-ground fault currents by opening all ungrounded conductors of the faulted circuit at current levels less that the supply circuit overcurrent device defines the term _______

Answer 42

ground-fault protection of equipment installed

Question 43

the installed conductive path that connects normally noncurrent-carrying metal parts of equipment together and to the system grounded conductor or to the grounding electrode conductor, or both, is known as a(n) _____

Answer 43

equipment grounding conductor

Question 44

a conducting object through which a direct connection to earth is established is a _____

Answer 44

grounding electrode

Question 45

a conductor used to connect the system grounded conductor or equipment to a grounding electrode or to a point on the grounding electrode system is called the ______ conductor

Answer 45

grounding electrode 250.66

Question 46

a ______ is an accommodation that combines living, sleeping, sanitary, and storage facilities within a compartment

Answer 46

guest room

Question 47

a ________ is an accommodation with two or more contiguous rooms comprising a compartment that provides living, sleeping, sanitary, and storage facilities

Answer 47

guest suite

Question 48

a handhole enclosure is an enclosure for use in underground systems, provided with an open or closed bottom, and sized to allow personnel to

Answer 48

reach into but not enter

Question 49

"recognized as a suitable for the specific purpose, function, use, environment, and application" is the definition of _____

Answer 49

identified (as applied to equipment)

Question 50

within sight means visible and not more than ______ distant from the equipment

Answer 50

50ft

Question 51

the highest current at rated voltage that a device is intended to interrupt under standard test conditions is the ________

Answer 51

interrupting rating

Question 52

a device that provides a means to connect ________ systems grounding and bonding conductors to the building grounding electrode system is an intersystem bonding termination

Answer 52

communications

Question 53

a kitchen is defined as an area with a sink and _____ facilities for food preparation and cooking

Answer 53

permanent

Question 54

equipment or materials to which a symbol or other identifying mark or a product evaluation organization that is acceptable to the AHJ has been attached is known as _______

Answer 54

labeled

Question 55

an outlet intended for the direct connection of a lampholder or a luminaire is a(n)

Answer 55

lighting outlet

Question 56

listed equipment or materials is included in a ______ published by testing labratory acceptable to the AHJ

Answer 56

list

Question 57

a ________ location would be protected from weather and not subject to saturation with water or other liquids, such locations include partially protected locations under canopies, marquees, and roofed open porches

Answer 57

damp

Question 58

a ________ location may be temporarily subject to dampness and wetness

Answer 58

dry

Question 59

conduit installed underground or encased in concrete slabs that are in direct contact with the earth is considered a _______ location

Answer 59

wet

Question 60

the term "luminaire" includes an individual lampholder

Answer 60

false

Question 61

a neutral conductor is the conductor connected to the _______ of a system, which is intended to carry neutral current under normal conditions

Answer 61

neutral point

Question 62

the common point on a wye-connection in a polyphase system describes a neutral point

Answer 62

TRUE

Question 63

a(n) ________ is a point on the wiring system at which current is taken to supply utilization equipment

Answer 63

outlet

Question 64

outline lighting may include an arrangement of ______ to outline or call attention to the shape of a building

Answer 64

ANY of these -incandescent lamps -electric-discharge lighting -electrically powered light sources

Question 65

any current in excess of the rated current of equipment or the ampacity of a conductor is called _______

Answer 65

overcurrent **overload, short circuit, ground fault**

Question 66

an overload is the same as a short circuit or ground fault

Answer 66

FALSE

Question 67

a panel, including buses and automatice overcurrent devices, designed to be placed in a cabinet or cutout box and accessible only from the front

Answer 67

panelboard

Question 68

a ________ is a chamber to which one or more ducts are connected and form part of the air distribution system

Answer 68

plenum

Question 69

premises wiring includes ______ wiring from the service point or power source to the outlets

Answer 69

ALL of these -interior -exterior -underground

Question 70

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 hazards involved

Answer 70

qualified person

Question 71

HFPA 70E-2004, Standard for Electrical Safety in the Workplace, provides information to help determine the electrical safety training requirements expected of a "qualified person"

Answer 71

TRUE

Question 72

a raceway is an enclosure designed for the installation of conductors, cables, or busbars

Answer 72

TRUE

Question 73

a contact device installed at an outlet for the connection of an attachment plug is known a(n) ________

Answer 73

receptacle

Question 74

a single receptacle is a single contact device with no other contact device on the same

Answer 74

yoke

Question 75

an opening in an outlet box where one of more receptacles have been installed is called ______

Answer 75

receptacle outlet

Question 76

when one electrical circuit controls another circuit through a relay, the first circuit is called a ______

Answer 76

remote control circuit

Question 77

a(n) _________ system is a premises wiring system whose power is derived from a source of electric energy that has no direct electrical connection to supply conductors originating in another system

Answer 77

separately derived

Question 78

the conductors from the electric utility that deliver electric energy to the premises is called ______

Answer 78

service

Question 79

service conductors originate at the service point and terminate at the service equipment

Answer 79

TRUE

Question 80

overhead service conductor from the last pole or other aerial support to and including the splices, if any, are called ____ conductors

Answer 80

service-drop

Question 81

the _____ is necessary equipment, usually consisting of a circuit breaker(s) or swith(es) and fuse(s) and their accessories, connected to the load end of service conductors, and intended to constitute the main control and cutoff of the supply

Answer 81

service equipment

Question 82

underground service conductors between the street main and the first point of connection to the service entrance conductors are known as the _____

Answer 82

service lateral

Question 83

the ____ is the point of connection between the serving utility and the premises wiring

Answer 83

service point

Question 84

the prospective symmetrical fault current at a nominal voltage to which an apparatus or system is able to be connected without sustaining damage exceeding defined acceptance criteria is known as _____

Answer 84

short circuit current rating

Question 85

a signaling circuit is any electric circuit that energizes signaling equipment

Answer 85

TRUE

Question 86

special permission would be the written consent from the ______

Answer 86

AHJ

Question 87

a structure is that which is built or constructed

Answer 87

TRUE

Question 88

a(n) ______ is intended to provide limited overcurrent protection for specific applications and utilization equipment, such as luminaires and applications. this limited protection is in addition to the protection provided by the required branch-circuit overcurrent protective device

Answer 88

surge protection device

Question 89

a surge protective device (SPD) intended for installation on the load side of the service disconnect overcurrent device, including SPDs located at the branch panel, is a _____ SPD

Answer 89

type II type I - line type III - 30 ft away typle IV - at equipment

Question 90

a switch constructed so that it can be installed in device boxes or on box covers, or otherwise used in conjunction with wiring systems recognized by the NEC is called a _____ switch

Answer 90

general use snap

Question 91

ungrounded describes "not connected to ground or a conductive body that extends the ground connection"

Answer 91

TRUE

Question 92

the voltage of a circuit is defined by the Code as the _______ root-mean-square (effective) difference of potential between any two conductors of the circuit

Answer 92

greatest

Question 93

a value assigned to a circuit or system for the purpose of conveniently designating its voltage class such as 120/240 V is called _________ voltage

Answer 93

nominal