Electrician-S Licensing Exam Questions and Answers 2025 Update – Electrical Licensing Study Guide, Practice Test & Exam Review

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ELECTRICIAN'S LICENSING EXAM
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NEC Article ______ defines breakers and fuses.

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.

Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill.




NEMA stands for National Electrical Manufacturers Association

True - NEMA is the acronym for National Electrical Manufacturers Association.




What does it mean when a receptacle has "NEMA 5-20R" on it?

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.




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NEC Tables 310-10 through 310-21 provide information on.

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.




Which NEC tables(s) cover(s) the fill of metal boxes?

The fill of metal boxes appears in NEC Tables 314.6 A and B.




NEC Article _____ address EMT.

NEC Article 358 covers EMT.




Which NEC articles cover the installation requirements for RMC, IMC, and EMT?

NEC Articles 342, 344, and 358 outline the installation requirements of RMC, IMC, and EMT.




IN NEC 2008, what does Table 370.6A cover?

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?

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.

NEC Article 386 covers metallic or metal raceway; NEC Article 388 covers PVC pipe.




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The Panel Board requirements for Application in Construction appear in NEC Article?

NEC Article 408 covers panel board applications.




The smaller kitchen counter requiring a receptacle is _____ inches.

A 12in. counter requires a receptacle because it holds small appliances.




What new code is needed for protection in all habitable spaces?

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)

True, One is required, Two are suggested.




NEC Article 100 is dedicated to?

Definitions




The main ground on a service is a(n) _____.

Ground Rod




What does NEC Section 250-28A require?

A main bonding jumper and a system bonding jumper.




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NEC section 250-28A provides information on what material can be used for a main bonding jumper.
(True or False)

True




A bonding screw is what color?

A bonding screw is green.




A subpanel requires a bonding screw? (True or False)

False, A bonding screw is unneeded in a subpanel.




Name the methods of sizing bonding jumpers outlined in NEC Section 250-28D.

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.

NEC Table 250.66




Which NEC reference identifies wire sizing and the temperature a wire can handle in amps?

NEC Tables Annex C1 and C2 identify both wire sizing and the temperature a wire can handle in amps.




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