Comprehensive Guide to Passing the
Electricians License Exam.
NEC Article ______ defines breakers and fuses. - ANS>>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. - ANS>>Annex C of NEC covers conduit and
tubing fill for conductors and fixture wire fill.
NEMA stands for National Electrical Manufacturers Association - ANS>>True - NEMA is
the acronym for National Electrical Manufacturers Association.
What does it mean when a receptacle has "NEMA 5-20R" on it? - ANS>>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. - ANS>>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? - ANS>>The fill of metal boxes
appears in NEC Tables 314.6 A and B.
NEC Article _____ address EMT. - ANS>>NEC Article 358 covers EMT.
Which NEC articles cover the installation requirements for RMC, IMC, and EMT? -
ANS>>NEC Articles 342, 344, and 358 outline the installation requirements of RMC,
IMC, and EMT.
IN NEC 2008, what does Table 370.6A cover? - ANS>>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? -
ANS>>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. -
ANS>>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? -
ANS>>NEC Article 408 covers panel board applications.
,The smaller kitchen counter requiring a receptacle is _____ inches. - ANS>>A 12in.
counter requires a receptacle because it holds small appliances.
What new code is needed for protection in all habitable spaces? - ANS>>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) - ANS>>True,
One is required, Two are suggested.
NEC Article 100 is dedicated to? - ANS>>Definitions
The main ground on a service is a(n) _____. - ANS>>Ground Rod
What does NEC Section 250-28A require? - ANS>>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) - ANS>>True
A bonding screw is what color? - ANS>>A bonding screw is green.
A subpanel requires a bonding screw? (True or False) - ANS>>False, A bonding screw
is unneeded in a subpanel.
Name the methods of sizing bonding jumpers outlined in NEC Section 250-28D. -
ANS>>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. - ANS>>NEC Table
250.66
Which NEC reference identifies wire sizing and the temperature a wire can handle in
amps? - ANS>>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. - ANS>>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? - ANS>>Is dedicated to the sizes of the
grounding conductor
What is the NEC definition of a circuit breaker? - ANS>>A device designed to trip when
an overcurrent is detected.
, NEC Section 300-13 provides information on? - ANS>>Mechanical and Electrical
continuity conductors.
What is the subject of NEC Section 250-2D? - ANS>>Bonding jumpers
______ are the subject of NEC Section 680-20. - ANS>>Electrical installations at
permanently installed pools.
Which NEC Section covers equipment grounding conductors. - ANS>>NEC Section
250-118
Which NEC sections covers identification of equipment grounding conductors? -
ANS>>NEC Section 250-119 1-14
Which NEC Section covers ground terminal identification. - ANS>>NEC Section 250-
126
Bonding is the establishment of ______ connection between metal parts. -
ANS>>Reliable
NEC Section 250-134 provides information on what topic? - ANS>>Equipment fastened
or connection between metal parts.
Equipment grounding conductor _____ is (are) discussed in NEC Section 250-130. -
ANS>>Connections
NEC Section 250-118 states that a grounded conduct must run _____ flexible conduit. -
ANS>>inside
NEC Section _____ oversees bonding of flexible type conduit. - ANS>>NEC Section
250.118(5)
Which NEC article covers cable trays? - ANS>>NEC Article 392
What is the proper procedure for bonding a motor conduit with metal flex? - ANS>>A
bonding jumper should be installed inside or outside raceway within 6ft. of attachment.
(NEC 250.118)
Threaded pipe can be used for bonding purposes? (True or False) - ANS>>True (NEC
250.92B)
Shoulder fittings with locknuts are allowable as bonding devices? (True or False) -
ANS>>True (NEC 250.92B)
Electricians License Exam.
NEC Article ______ defines breakers and fuses. - ANS>>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. - ANS>>Annex C of NEC covers conduit and
tubing fill for conductors and fixture wire fill.
NEMA stands for National Electrical Manufacturers Association - ANS>>True - NEMA is
the acronym for National Electrical Manufacturers Association.
What does it mean when a receptacle has "NEMA 5-20R" on it? - ANS>>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. - ANS>>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? - ANS>>The fill of metal boxes
appears in NEC Tables 314.6 A and B.
NEC Article _____ address EMT. - ANS>>NEC Article 358 covers EMT.
Which NEC articles cover the installation requirements for RMC, IMC, and EMT? -
ANS>>NEC Articles 342, 344, and 358 outline the installation requirements of RMC,
IMC, and EMT.
IN NEC 2008, what does Table 370.6A cover? - ANS>>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? -
ANS>>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. -
ANS>>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? -
ANS>>NEC Article 408 covers panel board applications.
,The smaller kitchen counter requiring a receptacle is _____ inches. - ANS>>A 12in.
counter requires a receptacle because it holds small appliances.
What new code is needed for protection in all habitable spaces? - ANS>>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) - ANS>>True,
One is required, Two are suggested.
NEC Article 100 is dedicated to? - ANS>>Definitions
The main ground on a service is a(n) _____. - ANS>>Ground Rod
What does NEC Section 250-28A require? - ANS>>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) - ANS>>True
A bonding screw is what color? - ANS>>A bonding screw is green.
A subpanel requires a bonding screw? (True or False) - ANS>>False, A bonding screw
is unneeded in a subpanel.
Name the methods of sizing bonding jumpers outlined in NEC Section 250-28D. -
ANS>>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. - ANS>>NEC Table
250.66
Which NEC reference identifies wire sizing and the temperature a wire can handle in
amps? - ANS>>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. - ANS>>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? - ANS>>Is dedicated to the sizes of the
grounding conductor
What is the NEC definition of a circuit breaker? - ANS>>A device designed to trip when
an overcurrent is detected.
, NEC Section 300-13 provides information on? - ANS>>Mechanical and Electrical
continuity conductors.
What is the subject of NEC Section 250-2D? - ANS>>Bonding jumpers
______ are the subject of NEC Section 680-20. - ANS>>Electrical installations at
permanently installed pools.
Which NEC Section covers equipment grounding conductors. - ANS>>NEC Section
250-118
Which NEC sections covers identification of equipment grounding conductors? -
ANS>>NEC Section 250-119 1-14
Which NEC Section covers ground terminal identification. - ANS>>NEC Section 250-
126
Bonding is the establishment of ______ connection between metal parts. -
ANS>>Reliable
NEC Section 250-134 provides information on what topic? - ANS>>Equipment fastened
or connection between metal parts.
Equipment grounding conductor _____ is (are) discussed in NEC Section 250-130. -
ANS>>Connections
NEC Section 250-118 states that a grounded conduct must run _____ flexible conduit. -
ANS>>inside
NEC Section _____ oversees bonding of flexible type conduit. - ANS>>NEC Section
250.118(5)
Which NEC article covers cable trays? - ANS>>NEC Article 392
What is the proper procedure for bonding a motor conduit with metal flex? - ANS>>A
bonding jumper should be installed inside or outside raceway within 6ft. of attachment.
(NEC 250.118)
Threaded pipe can be used for bonding purposes? (True or False) - ANS>>True (NEC
250.92B)
Shoulder fittings with locknuts are allowable as bonding devices? (True or False) -
ANS>>True (NEC 250.92B)
