CARRFULLY SELECTED QUESTIONS WITH
CORRECT AND VERIFIED ANSWERS ALREADY
GRADED A+ 2026-2027
NEC Article ______ defines breakers and fuses. ANSWER > According to NEC Article
100, a device that opens and closes a circuit by nonautomatic means automatically
closes for a predetermined overcurrent.
1
,Annex _____ of NEC covers conduit fill. ANSWER > Annex C of NEC covers conduit
and tubing fill for conductors and fixture wire fill.
NEMA stands for National Electrical Manufacturers Association ANSWER > True -
NEMA is the acronym for National Electrical Manufacturers Association.
What does it mean when a receptacle has "NEMA 5-20R" on it? 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. 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.
Which NEC tables(s) cover(s) the fill of metal boxes? ANSWER > The fill of metal boxes
appears in NEC Tables 314.6 A and B.
NEC Article _____ address EMT. ANSWER > NEC Article 358 covers EMT.
Which NEC articles cover the installation requirements for RMC, IMC, and EMT?
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? 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?
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.
ANSWER > NEC Article 386 covers metallic or metal raceway; NEC Article 388 covers
PVC pipe.
2
, The Panel Board requirements for Application in Construction appear in NEC Article?
ANSWER > NEC Article 408 covers panel board applications.
The smaller kitchen counter requiring a receptacle is _____ inches. ANSWER > A 12in.
counter requires a receptacle because it holds small appliances.
What new code is needed for protection in all habitable spaces? 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) ANSWER >
True, One is required, Two are suggested.
NEC Article 100 is dedicated to? ANSWER > Definitions
The main ground on a service is a(n) _____. ANSWER > Ground Rod
What does NEC Section 250-28A require? 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) ANSWER > True
A bonding screw is what color? ANSWER > A bonding screw is green.
A subpanel requires a bonding screw? (True or False) ANSWER > False, A bonding
screw is unneeded in a subpanel.
Name the methods of sizing bonding jumpers outlined in NEC Section 250-28D.
ANSWER > 1. Bonding jumper is sized not less than 12.5% of the largest phase
conductor.
3