1|Page
THE ELECTRICAL NCCER TEST EXAM WITH
VERIFIED ANSWERS (2025)
What is the function of a ballast in a flourescent fixture - correct -answer-Steps up
the voltage
An electrical fitting can be made explosion proof in which of the following ways -
correct -answer-Using an amorphous sealed device
Cable trays are usually supported by all the following means EXCEPTS? - correct -
answer-#9 wire
A 1 line diagram with simplified symbols indicates the - correct -answer-
Interconnections and component parts of an electrical circuit
What is the purpose of Lockout/Tagout? - correct -answer-Prevents operation
,2|Page
Which of the following factors is used to control the speed of an induction motor?
- correct -answer-Frequency
A 10-inch offset at 30 degrees is being made. What is the distance between
center-to-center bends? - correct -answer-20 inches
What is an acceptable protection techniques for electrical equipment in hazardous
locations? - correct -answer-Use duct-ignition proof equipment
What test or equipment can be used to locate a suspected short circuit in 1- phase
of a 3-phase motor? - correct -answer-"megger"
What will happen if moisture is inside a cadweld mold while the weld is being
performed? - correct -answer-The cadweld mold could explode
What is produced in a conduit run by making 2 equal bends in opposite direction?
- correct -answer-Offset
,3|Page
4 inch square boxes are available with all of the following depths EXCEPT - correct
-answer-1 inch
What is installed at an expansion joint to provide a continuous ground between 2
sections of cable tray? - correct -answer-A bonding jumper
What color identifies an insulated, grounded number 4 conductors? - correct -
answer-Green
Why is it important to torque bolts when busbars are connected? - correct -
answer-Decreases resistance on the connection
All the following are protective devices for motors EXCEPT - correct -answer-
SOLENOID
Service conductors are sized based on what factor? - correct -answer-The total
calculated load of the building
, 4|Page
A holding contact na motor starter is normally connected in parallel with the -
correct -answer-Start push button
The number of complete AC cycles per second is called the - correct -answer-
Frequency
Which of the following components is part of a dual element fuse - correct -
answer-Rejection clip
The potential across the circuit is 480 volts and the current is 50 amps. What is the
resistance of the circuit? - correct -answer-9.6 ohms
What NEC table indicates the size of service conductors? - correct -answer-Table
310-16
What instrument is used to measure CURRENT? - correct -answer-Ammeter
What are the 3 elements in every electrical circuit? - correct -answer-Power
source, switch, and load
THE ELECTRICAL NCCER TEST EXAM WITH
VERIFIED ANSWERS (2025)
What is the function of a ballast in a flourescent fixture - correct -answer-Steps up
the voltage
An electrical fitting can be made explosion proof in which of the following ways -
correct -answer-Using an amorphous sealed device
Cable trays are usually supported by all the following means EXCEPTS? - correct -
answer-#9 wire
A 1 line diagram with simplified symbols indicates the - correct -answer-
Interconnections and component parts of an electrical circuit
What is the purpose of Lockout/Tagout? - correct -answer-Prevents operation
,2|Page
Which of the following factors is used to control the speed of an induction motor?
- correct -answer-Frequency
A 10-inch offset at 30 degrees is being made. What is the distance between
center-to-center bends? - correct -answer-20 inches
What is an acceptable protection techniques for electrical equipment in hazardous
locations? - correct -answer-Use duct-ignition proof equipment
What test or equipment can be used to locate a suspected short circuit in 1- phase
of a 3-phase motor? - correct -answer-"megger"
What will happen if moisture is inside a cadweld mold while the weld is being
performed? - correct -answer-The cadweld mold could explode
What is produced in a conduit run by making 2 equal bends in opposite direction?
- correct -answer-Offset
,3|Page
4 inch square boxes are available with all of the following depths EXCEPT - correct
-answer-1 inch
What is installed at an expansion joint to provide a continuous ground between 2
sections of cable tray? - correct -answer-A bonding jumper
What color identifies an insulated, grounded number 4 conductors? - correct -
answer-Green
Why is it important to torque bolts when busbars are connected? - correct -
answer-Decreases resistance on the connection
All the following are protective devices for motors EXCEPT - correct -answer-
SOLENOID
Service conductors are sized based on what factor? - correct -answer-The total
calculated load of the building
, 4|Page
A holding contact na motor starter is normally connected in parallel with the -
correct -answer-Start push button
The number of complete AC cycles per second is called the - correct -answer-
Frequency
Which of the following components is part of a dual element fuse - correct -
answer-Rejection clip
The potential across the circuit is 480 volts and the current is 50 amps. What is the
resistance of the circuit? - correct -answer-9.6 ohms
What NEC table indicates the size of service conductors? - correct -answer-Table
310-16
What instrument is used to measure CURRENT? - correct -answer-Ammeter
What are the 3 elements in every electrical circuit? - correct -answer-Power
source, switch, and load
