Page 1 of 99
NEC,NFPA NATIONAL ELECTRICAL CODE EXAM
COMPLETE QUESTIONS AND CORRECT DETAILED
SOLUTIONS LATEST UPDATED VERSION JUST
RELEASED
The connection between two or more portions of the equipment grounding conductor defines
a/an _______.
Equipment bonding jumper (2017 NEC: 100. Definitions)
Installations underground, or in concrete slabs, or masonry in direct contact with the earth, or
in locations subject to saturation with water or other liquids, such as vehicle wash areas, BEST
defines a/an _______ location.
Wet (2017 NEC: 100. Definitions)
Accessible, as applied to wiring methods, is BEST defined as _______.
Capable of being exposed without damaging the building finish (2017 NEC: 100. Definitions)
A/an _______ consists of all the 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.
Feeder (2017 NEC: 100. Definitions)
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The connection between the grounded circuit conductor and the equipment grounding
conductor at the service is referred to as a/an _______.
Main bonding jumper (2017 NEC: 100. Definitions)
A conductor that is used to connect to ground or to a conductive body that extends the
ground connection BEST describes a/an _______.
Grounding conductor (2017 NEC: 100. Definitions)
A continuous load is when the maximum current is expected to continue for _______.
3 or more hours (2017 NEC: 100. Definitions)
The maximum current, in amperes, that a conductor can carry continuously under the
conditions of use without exceeding its temperature rating is referred to as _______.
Ampacity (2017 NEC: 100. Definitions)
Within the electrical industry, one who has the skills and the knowledge related to the
construction and operation of the electrical equipment and installations, and who has
received safety training to recognize and avoid the hazards involved is referred to as a/an
_______.
Qualified person (2017 NEC: 100. Definition)
Where installing electrical equipment, its listing shall be installed as per the _______.
, Page 3 of 99
Instructions included in the listing or the labeling
(2017 NEC: 110.3(B))
Where metallic plugs are used with nonmetallic enclosures, these metallic plugs shall be
recessed at least _______ from the outer surface of the enclosure.
1/4 in (2017 NEC: 110.12(A))
The mechanical execution of work refers to _______.
How electrical work shall be installed in a neat and workmanlike manner
(2017 NEC: 110.12)
The largest sized conductor that is permitted under an upturned lug is a/an _______.
10 AWG (2017 NEC: 110.14(A))
The temperature provisions for a 1/0 AWG copper conductor, used for circuits rated over 100
amperes, shall be _______.
167 degrees F (2017 NEC: 110.14(C)(1)(b)(1))
For other than certain motors, the temperature provisions of equipment for an 8 AWG copper
conductor shall be _______.
140 degrees F (2017 NEC: 110.14(C)(1)(a)(1))
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In other than family dwelling units, where electrical equipment, such as switchboards, is likely
to require examination, adjustment, servicing, or maintenance while energized, it shall have a
label that warns qualified persons of potential _______.
Electric arc flash hazards (2017 NEC: 110.16(A))
Omitting exceptions, the work space in front of a panelboard shall be clear and extend from
the floor to a height of at least _______.
6.5 ft (2017 NEC: 110.26(A)(3))
Since illumination is required for all working spaces about electrical equipment, _______ is
NOT a permitted source of illumination.
Control of an overhead light by automatic control only (2017 NEC: 110.26(D))
For electrical equipment that is 3-phase 120/240-volts, the minimum width of the working
space in front of the equipment shall be not less than _______.
30 inches with a hinged panel of at least 90 degrees (2017 NEC: 110.26(A)(2))
Where equipment rated 800 amperes or more contains overcurrent devices, and there is a
personnel door intended for entrance to and egress from the working space _______ from the
nearest edge of the working space, the door shall open in the direction of egress and be
equipped with listed panic equipment.
Less than 25 ft (2017 NEC: 110.26(C)(3))
NEC,NFPA NATIONAL ELECTRICAL CODE EXAM
COMPLETE QUESTIONS AND CORRECT DETAILED
SOLUTIONS LATEST UPDATED VERSION JUST
RELEASED
The connection between two or more portions of the equipment grounding conductor defines
a/an _______.
Equipment bonding jumper (2017 NEC: 100. Definitions)
Installations underground, or in concrete slabs, or masonry in direct contact with the earth, or
in locations subject to saturation with water or other liquids, such as vehicle wash areas, BEST
defines a/an _______ location.
Wet (2017 NEC: 100. Definitions)
Accessible, as applied to wiring methods, is BEST defined as _______.
Capable of being exposed without damaging the building finish (2017 NEC: 100. Definitions)
A/an _______ consists of all the 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.
Feeder (2017 NEC: 100. Definitions)
, Page 2 of 99
The connection between the grounded circuit conductor and the equipment grounding
conductor at the service is referred to as a/an _______.
Main bonding jumper (2017 NEC: 100. Definitions)
A conductor that is used to connect to ground or to a conductive body that extends the
ground connection BEST describes a/an _______.
Grounding conductor (2017 NEC: 100. Definitions)
A continuous load is when the maximum current is expected to continue for _______.
3 or more hours (2017 NEC: 100. Definitions)
The maximum current, in amperes, that a conductor can carry continuously under the
conditions of use without exceeding its temperature rating is referred to as _______.
Ampacity (2017 NEC: 100. Definitions)
Within the electrical industry, one who has the skills and the knowledge related to the
construction and operation of the electrical equipment and installations, and who has
received safety training to recognize and avoid the hazards involved is referred to as a/an
_______.
Qualified person (2017 NEC: 100. Definition)
Where installing electrical equipment, its listing shall be installed as per the _______.
, Page 3 of 99
Instructions included in the listing or the labeling
(2017 NEC: 110.3(B))
Where metallic plugs are used with nonmetallic enclosures, these metallic plugs shall be
recessed at least _______ from the outer surface of the enclosure.
1/4 in (2017 NEC: 110.12(A))
The mechanical execution of work refers to _______.
How electrical work shall be installed in a neat and workmanlike manner
(2017 NEC: 110.12)
The largest sized conductor that is permitted under an upturned lug is a/an _______.
10 AWG (2017 NEC: 110.14(A))
The temperature provisions for a 1/0 AWG copper conductor, used for circuits rated over 100
amperes, shall be _______.
167 degrees F (2017 NEC: 110.14(C)(1)(b)(1))
For other than certain motors, the temperature provisions of equipment for an 8 AWG copper
conductor shall be _______.
140 degrees F (2017 NEC: 110.14(C)(1)(a)(1))
, Page 4 of 99
In other than family dwelling units, where electrical equipment, such as switchboards, is likely
to require examination, adjustment, servicing, or maintenance while energized, it shall have a
label that warns qualified persons of potential _______.
Electric arc flash hazards (2017 NEC: 110.16(A))
Omitting exceptions, the work space in front of a panelboard shall be clear and extend from
the floor to a height of at least _______.
6.5 ft (2017 NEC: 110.26(A)(3))
Since illumination is required for all working spaces about electrical equipment, _______ is
NOT a permitted source of illumination.
Control of an overhead light by automatic control only (2017 NEC: 110.26(D))
For electrical equipment that is 3-phase 120/240-volts, the minimum width of the working
space in front of the equipment shall be not less than _______.
30 inches with a hinged panel of at least 90 degrees (2017 NEC: 110.26(A)(2))
Where equipment rated 800 amperes or more contains overcurrent devices, and there is a
personnel door intended for entrance to and egress from the working space _______ from the
nearest edge of the working space, the door shall open in the direction of egress and be
equipped with listed panic equipment.
Less than 25 ft (2017 NEC: 110.26(C)(3))
