THE ELECTRICAL NCCER TEST EXAM QUESTIONS & ANSWERS
LATEST UPDATED 2025/2026 A COMPLETE SOLUTION WITH
CORRECT DETAILED ANSWERS BEST GRADED TO SCORE A+ FOR
SUCCESS
What does a watt meter indicate? - CORRECT ANSWERS True power
When transporting metal conduit, it is important to - CORRECT ANSWERS Protect the
threads keep the caps on to prevent thread damage
The voltage drop of conductors carrying AC in PVC conduit will have what relation to that of
identical conductors in the conduit - CORRECT ANSWERS The same
Which of the following is the "heating element" in a self- regulating heat trace? - CORRECT
ANSWERS Semiconducting core
Intermediate metal conduit (IMC) is a type of conduit that - CORRECT ANSWERS Has a
wall thickness less than that of rigid metal conduit but thicker than EMT
According to Ohm's Law, the amount of current in a circuit is equal to the - CORRECT
ANSWERS Voltage divided by the resistance
The voltage of a DC circuit to be measured. How should the meter be connected to ensure
proper polarity? - CORRECT ANSWERS The (-)with the (-) and the (+) with the (+)
Electrical metallic tubing must be supported with what maximum distance from each junction
or outlet box? - CORRECT ANSWERS 3ft
What type of wire is standard for low-voltage milliamp signal system? - CORRECT
ANSWERS Single pair shielded
,THE ELECTRICAL NCCER TEST EXAM QUESTIONS & ANSWERS
LATEST UPDATED 2025/2026 A COMPLETE SOLUTION WITH
CORRECT DETAILED ANSWERS BEST GRADED TO SCORE A+ FOR
SUCCESS
A 3 way switch, is what typeof switch/ - CORRECT ANSWERS SPDT
The number of complete AC cycles per second is called? - CORRECT ANSWERS
Frequency
All of the following are found on an elevation view of a motor control center, EXCEPT -
CORRECT ANSWERS LOCATION OF MOTOR
What color wire is connected to the silver screw in an incandescent fixture? - CORRECT
ANSWERS White
Receptacles are rated according to the - CORRECT ANSWERS Voltage and amperage
capacity
The relationship of a transformer primary winding to the secondary winding is expressed in? -
CORRECT ANSWERS Turns Ratio
What is the NEC requirement for labeling disconnects? - CORRECT ANSWERS All
disconnects devices for circuits, feeder, and equipment must be clearly and permanently mark
Cable markings show all of the following, EXCEPT - CORRECT ANSWERS AMPACITY
The drawing scale is most likely to be found in which of the following drawing location? -
CORRECT ANSWERS The drawing title block
,THE ELECTRICAL NCCER TEST EXAM QUESTIONS & ANSWERS
LATEST UPDATED 2025/2026 A COMPLETE SOLUTION WITH
CORRECT DETAILED ANSWERS BEST GRADED TO SCORE A+ FOR
SUCCESS
What item is used to make a 90 degree bend when pulling wire in cable tray? - CORRECT
ANSWERS Cable roller
The first step in making an exothermic (cadweld) connections is? - CORRECT ANSWERS
To prepare the cable, mold, and welding material
In a sine wave, the number of times per second an identical pattern itself is known as? -
CORRECT ANSWERS Frequency of a waveform
What is the voltage ratio for dual-voltage motors? - CORRECT ANSWERS 2 to 1
The value indicated on a meter for an AC circuit are defined as root-mean- square, what is
another term for this? - CORRECT ANSWERS Effective Value
What does frame size provide information about? - CORRECT ANSWERS Proper bolt-up
All parts of metal cable tray must be bonded together and? - CORRECT ANSWERS
Grounded
Which of the following describes the grounding of metal parts that do not carry current in a
distribution system? - CORRECT ANSWERS Equipment grounding
Which of the following statements is true about cadweld molds is true? - CORRECT
ANSWERS Cadweld molds are sized to fit the cable that is being welded
, THE ELECTRICAL NCCER TEST EXAM QUESTIONS & ANSWERS
LATEST UPDATED 2025/2026 A COMPLETE SOLUTION WITH
CORRECT DETAILED ANSWERS BEST GRADED TO SCORE A+ FOR
SUCCESS
Where is nonmetallic conduit PVC used? - CORRECT ANSWERS Both above and below
ground
Which of the following is designed for high-tension wire pulls? - CORRECT ANSWERS
Nylon
conduit piston (mouse) is used for what application? - CORRECT ANSWERS Cleaning
the conduit
When a cable tray system must be protected from sunlight, which is true? - CORRECT
ANSWERS Cable tray covers
What is the maximum voltage of conductors on which wire nuts may be used for interior
wiring? - CORRECT ANSWERS 600 volts
How is metering of electricity accomplished for services rated greater 400 amps? - CORRECT
ANSWERS By using a CT metering
The terminations on a motor starter are tightended incorrectly, what may happen? -
CORRECT ANSWERS It will create an ARC and increase the amperage the motor is
pulling
A section of a cable tray that makes 2 vertical 90 degree turns is known as? - CORRECT
ANSWERS A vertical "T"
What should be done to change the rotation of a 3-phase motor? - CORRECT ANSWERS
Swap any two leads
LATEST UPDATED 2025/2026 A COMPLETE SOLUTION WITH
CORRECT DETAILED ANSWERS BEST GRADED TO SCORE A+ FOR
SUCCESS
What does a watt meter indicate? - CORRECT ANSWERS True power
When transporting metal conduit, it is important to - CORRECT ANSWERS Protect the
threads keep the caps on to prevent thread damage
The voltage drop of conductors carrying AC in PVC conduit will have what relation to that of
identical conductors in the conduit - CORRECT ANSWERS The same
Which of the following is the "heating element" in a self- regulating heat trace? - CORRECT
ANSWERS Semiconducting core
Intermediate metal conduit (IMC) is a type of conduit that - CORRECT ANSWERS Has a
wall thickness less than that of rigid metal conduit but thicker than EMT
According to Ohm's Law, the amount of current in a circuit is equal to the - CORRECT
ANSWERS Voltage divided by the resistance
The voltage of a DC circuit to be measured. How should the meter be connected to ensure
proper polarity? - CORRECT ANSWERS The (-)with the (-) and the (+) with the (+)
Electrical metallic tubing must be supported with what maximum distance from each junction
or outlet box? - CORRECT ANSWERS 3ft
What type of wire is standard for low-voltage milliamp signal system? - CORRECT
ANSWERS Single pair shielded
,THE ELECTRICAL NCCER TEST EXAM QUESTIONS & ANSWERS
LATEST UPDATED 2025/2026 A COMPLETE SOLUTION WITH
CORRECT DETAILED ANSWERS BEST GRADED TO SCORE A+ FOR
SUCCESS
A 3 way switch, is what typeof switch/ - CORRECT ANSWERS SPDT
The number of complete AC cycles per second is called? - CORRECT ANSWERS
Frequency
All of the following are found on an elevation view of a motor control center, EXCEPT -
CORRECT ANSWERS LOCATION OF MOTOR
What color wire is connected to the silver screw in an incandescent fixture? - CORRECT
ANSWERS White
Receptacles are rated according to the - CORRECT ANSWERS Voltage and amperage
capacity
The relationship of a transformer primary winding to the secondary winding is expressed in? -
CORRECT ANSWERS Turns Ratio
What is the NEC requirement for labeling disconnects? - CORRECT ANSWERS All
disconnects devices for circuits, feeder, and equipment must be clearly and permanently mark
Cable markings show all of the following, EXCEPT - CORRECT ANSWERS AMPACITY
The drawing scale is most likely to be found in which of the following drawing location? -
CORRECT ANSWERS The drawing title block
,THE ELECTRICAL NCCER TEST EXAM QUESTIONS & ANSWERS
LATEST UPDATED 2025/2026 A COMPLETE SOLUTION WITH
CORRECT DETAILED ANSWERS BEST GRADED TO SCORE A+ FOR
SUCCESS
What item is used to make a 90 degree bend when pulling wire in cable tray? - CORRECT
ANSWERS Cable roller
The first step in making an exothermic (cadweld) connections is? - CORRECT ANSWERS
To prepare the cable, mold, and welding material
In a sine wave, the number of times per second an identical pattern itself is known as? -
CORRECT ANSWERS Frequency of a waveform
What is the voltage ratio for dual-voltage motors? - CORRECT ANSWERS 2 to 1
The value indicated on a meter for an AC circuit are defined as root-mean- square, what is
another term for this? - CORRECT ANSWERS Effective Value
What does frame size provide information about? - CORRECT ANSWERS Proper bolt-up
All parts of metal cable tray must be bonded together and? - CORRECT ANSWERS
Grounded
Which of the following describes the grounding of metal parts that do not carry current in a
distribution system? - CORRECT ANSWERS Equipment grounding
Which of the following statements is true about cadweld molds is true? - CORRECT
ANSWERS Cadweld molds are sized to fit the cable that is being welded
, THE ELECTRICAL NCCER TEST EXAM QUESTIONS & ANSWERS
LATEST UPDATED 2025/2026 A COMPLETE SOLUTION WITH
CORRECT DETAILED ANSWERS BEST GRADED TO SCORE A+ FOR
SUCCESS
Where is nonmetallic conduit PVC used? - CORRECT ANSWERS Both above and below
ground
Which of the following is designed for high-tension wire pulls? - CORRECT ANSWERS
Nylon
conduit piston (mouse) is used for what application? - CORRECT ANSWERS Cleaning
the conduit
When a cable tray system must be protected from sunlight, which is true? - CORRECT
ANSWERS Cable tray covers
What is the maximum voltage of conductors on which wire nuts may be used for interior
wiring? - CORRECT ANSWERS 600 volts
How is metering of electricity accomplished for services rated greater 400 amps? - CORRECT
ANSWERS By using a CT metering
The terminations on a motor starter are tightended incorrectly, what may happen? -
CORRECT ANSWERS It will create an ARC and increase the amperage the motor is
pulling
A section of a cable tray that makes 2 vertical 90 degree turns is known as? - CORRECT
ANSWERS A vertical "T"
What should be done to change the rotation of a 3-phase motor? - CORRECT ANSWERS
Swap any two leads
