Electrician’s Licensing Exam – Electrical Trade Certification – study
material
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.
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.
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.
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
material
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.
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.
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.
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
