Electrician's Licensing Exam 2026
Questions and Answers
NEC Article ______ defines breakers and fuses. - Correct answer-According to
NEC Article 100, a device that opens and closes a circuit by nonautomatic means
automatically closes for a predetermined overcurrent.
Annex _____ of NEC covers conduit fill. - Correct answer-Annex C of NEC
covers conduit and tubing fill for conductors and fixture wire fill.
NEMA stands for National Electrical Manufacturers Association - Correct answer-
True - NEMA is the acronym for National Electrical Manufacturers Association.
What does it mean when a receptacle has "NEMA 5-20R" on it? - Correct answer-
A receptacle with NEMA 5-20R on it has an amperes rating of 20, will take a
NEMA-5-15P or NEMA-5-20P plug, and has a voltage rating of 125.
NEC Tables 310-10 through 310-21 provide information on. - Correct answer-The
sizes of copper and aluminum wire, as well as the coating of wire that has fewer
than three current carrying wires in a cable or conduit or that is buried in the earth.
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,Which NEC tables(s) cover(s) the fill of metal boxes? - Correct answer-The fill of
metal boxes appears in NEC Tables 314.6 A and B.
NEC Article _____ address EMT. - Correct answer-NEC Article 358 covers EMT.
Which NEC articles cover the installation requirements for RMC, IMC, and EMT?
- Correct answer-NEC Articles 342, 344, and 358 outline the installation
requirements of RMC, IMC, and EMT.
IN NEC 2008, what does Table 370.6A cover? - Correct answer-Shows in two
columns (milimeters and inches), how many wires in trade size you can place in a
box.
What NEC table would you go to to find trade size of conduit and raceway size? -
Correct answer-Chapter 9, Table 4 outlines trade size of conduit as well as raceway
size.
NEC Articles _____ and _____ covers metallic and non-metallic raceways in
buildings. - Correct answer-NEC Article 386 covers metallic or metal raceway;
NEC Article 388 covers PVC pipe.
The Panel Board requirements for Application in Construction appear in NEC
Article? - Correct answer-NEC Article 408 covers panel board applications.
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,The smaller kitchen counter requiring a receptacle is _____ inches. - Correct
answer-A 12in. counter requires a receptacle because it holds small appliances.
What new code is needed for protection in all habitable spaces? - Correct answer-
According to new codes, ARC fault protection is needed many additional parts of
the house.
A 12-foot hallway requires one receptacle to meet code. (True or False) - Correct
answer-True, One is required, Two are suggested.
NEC Article 100 is dedicated to? - Correct answer-Definitions
The main ground on a service is a(n) _____. - Correct answer-Ground Rod
What does NEC Section 250-28A require? - Correct answer-A main bonding
jumper and a system bonding jumper.
NEC section 250-28A provides information on what material can be used for a
main bonding jumper. (True or False) - Correct answer-True
A bonding screw is what color? - Correct answer-A bonding screw is green.
A subpanel requires a bonding screw? (True or False) - Correct answer-False, A
bonding screw is unneeded in a subpanel.
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, Name the methods of sizing bonding jumpers outlined in NEC Section 250-28D. -
Correct answer-1. Bonding jumper is sized not less than 12.5% of the largest phase
conductor.
2. Based on the largest ungrounded service conductor.
3. Based on the largest sum of the service conductors.
NEC Table _____ covers grounding electrode conductor sizing. - Correct answer-
NEC Table 250.66
Which NEC reference identifies wire sizing and the temperature a wire can handle
in amps? - Correct answer-NEC Tables Annex C1 and C2 identify both wire sizing
and the temperature a wire can handle in amps.
Define a grounding system according to NEC. - Correct answer-A gounding
system is connected to the ground or to a conductive body that extends the ground
connection.
What is the topic of NEC Section 250-122? - Correct answer-Is dedicated to the
sizes of the grounding conductor
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
Questions and Answers
NEC Article ______ defines breakers and fuses. - Correct answer-According to
NEC Article 100, a device that opens and closes a circuit by nonautomatic means
automatically closes for a predetermined overcurrent.
Annex _____ of NEC covers conduit fill. - Correct answer-Annex C of NEC
covers conduit and tubing fill for conductors and fixture wire fill.
NEMA stands for National Electrical Manufacturers Association - Correct answer-
True - NEMA is the acronym for National Electrical Manufacturers Association.
What does it mean when a receptacle has "NEMA 5-20R" on it? - Correct answer-
A receptacle with NEMA 5-20R on it has an amperes rating of 20, will take a
NEMA-5-15P or NEMA-5-20P plug, and has a voltage rating of 125.
NEC Tables 310-10 through 310-21 provide information on. - Correct answer-The
sizes of copper and aluminum wire, as well as the coating of wire that has fewer
than three current carrying wires in a cable or conduit or that is buried in the earth.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,Which NEC tables(s) cover(s) the fill of metal boxes? - Correct answer-The fill of
metal boxes appears in NEC Tables 314.6 A and B.
NEC Article _____ address EMT. - Correct answer-NEC Article 358 covers EMT.
Which NEC articles cover the installation requirements for RMC, IMC, and EMT?
- Correct answer-NEC Articles 342, 344, and 358 outline the installation
requirements of RMC, IMC, and EMT.
IN NEC 2008, what does Table 370.6A cover? - Correct answer-Shows in two
columns (milimeters and inches), how many wires in trade size you can place in a
box.
What NEC table would you go to to find trade size of conduit and raceway size? -
Correct answer-Chapter 9, Table 4 outlines trade size of conduit as well as raceway
size.
NEC Articles _____ and _____ covers metallic and non-metallic raceways in
buildings. - Correct answer-NEC Article 386 covers metallic or metal raceway;
NEC Article 388 covers PVC pipe.
The Panel Board requirements for Application in Construction appear in NEC
Article? - Correct answer-NEC Article 408 covers panel board applications.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,The smaller kitchen counter requiring a receptacle is _____ inches. - Correct
answer-A 12in. counter requires a receptacle because it holds small appliances.
What new code is needed for protection in all habitable spaces? - Correct answer-
According to new codes, ARC fault protection is needed many additional parts of
the house.
A 12-foot hallway requires one receptacle to meet code. (True or False) - Correct
answer-True, One is required, Two are suggested.
NEC Article 100 is dedicated to? - Correct answer-Definitions
The main ground on a service is a(n) _____. - Correct answer-Ground Rod
What does NEC Section 250-28A require? - Correct answer-A main bonding
jumper and a system bonding jumper.
NEC section 250-28A provides information on what material can be used for a
main bonding jumper. (True or False) - Correct answer-True
A bonding screw is what color? - Correct answer-A bonding screw is green.
A subpanel requires a bonding screw? (True or False) - Correct answer-False, A
bonding screw is unneeded in a subpanel.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, Name the methods of sizing bonding jumpers outlined in NEC Section 250-28D. -
Correct answer-1. Bonding jumper is sized not less than 12.5% of the largest phase
conductor.
2. Based on the largest ungrounded service conductor.
3. Based on the largest sum of the service conductors.
NEC Table _____ covers grounding electrode conductor sizing. - Correct answer-
NEC Table 250.66
Which NEC reference identifies wire sizing and the temperature a wire can handle
in amps? - Correct answer-NEC Tables Annex C1 and C2 identify both wire sizing
and the temperature a wire can handle in amps.
Define a grounding system according to NEC. - Correct answer-A gounding
system is connected to the ground or to a conductive body that extends the ground
connection.
What is the topic of NEC Section 250-122? - Correct answer-Is dedicated to the
sizes of the grounding conductor
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
