The electrical NCCER test ACTUAL EXAM
2026 LATEST VERSION [QUESTIONS AND
ANSWERS] DETAILED AND VERIFIED
FOR GUARANTEED PASS- LATEST
UPDATE GRADED A (BRAND NEW!!)
What is a dropout plate? - CORRECT ANSWER ✔✔✔✔✔ Metal plate with a
curved surface for cable to follow as it passes from the tray
All of the following are common service voltages in the United States EXCEPT: -
CORRECT ANSWER ✔✔✔✔✔ 372/575 3-PHASE, 4-WIRE
What does a GFCI breaker do? - CORRECT ANSWER ✔✔✔✔✔ Opens a circuit to
prevent operation of an electrical device
What will happen when one or more coils in a winding are grounded? - CORRECT
ANSWER ✔✔✔✔✔ The motor will automatically blow fuses
Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts,
with a 200-watt lamp. What is the total connected load? - CORRECT ANSWER
✔✔✔✔✔ 13.3 amps
The must be grounded in a bussed gutter if used as the main service equipment. -
CORRECT ANSWER ✔✔✔✔✔ Neutral busbar
When wall mounting cable tray, ensure that - CORRECT ANSWER ✔✔✔✔✔ The
building structure is strong enough to support the tray system
,The purpose of sealing cable ends when reels of cable are in storage is -
CORRECT ANSWER ✔✔✔✔✔ To keep moisture from creeping in
The outer covering on liguid-tight flexible metal conduit is used for - CORRECT
ANSWER ✔✔✔✔✔ A moisture seal
A good electrical connection should - CORRECT ANSWER ✔✔✔✔✔ Be
mechanically and electrically secure
The symbol normally used for duplex - CORRECT ANSWER ✔✔✔✔✔ Circle with
two parallel lines drawb through it
Disconnecting means are covered in - CORRECT ANSWER ✔✔✔✔✔ NEC
Section 110-22
In relation to switches, the term throw refers to the - CORRECT ANSWER
✔✔✔✔✔ Number of internal operations that a switch can perform
A 3-phase, 4-wire, 480v service requires ______ current transformer(s) -
CORRECT ANSWER ✔✔✔✔✔ 3
Services conductors and equipment are covered in - CORRECT ANSWER
✔✔✔✔✔ NEC Article 230
The NEC required that all receptacles installed on 25 amp and 20 amp branch
circuits be ______ receptacles - CORRECT ANSWER ✔✔✔✔✔ Grounding
A transformer with the primary of 400 turns and a secondary of 300 turns has a
_____ - CORRECT ANSWER ✔✔✔✔✔ Step-down turns ratio of 4:3
,The circular mil is based on the - CORRECT ANSWER ✔✔✔✔✔ Cross-sectional
area of the wire
Of the termination classes listed below, ____ is the only one that provides a seal
against external elements. - CORRECT ANSWER ✔✔✔✔✔ Class 1
Unless otherwise noted. the calculations in AC circuits _____ values. - CORRECT
ANSWER ✔✔✔✔✔ Rms
When the coil turns are increased the _____ - CORRECT ANSWER ✔✔✔✔✔
Induced voltage is increased
As the temperature surrounding a self-regulating heating cable rises, the ____ -
CORRECT ANSWER ✔✔✔✔✔ Resistance of the polymeric core increases
The motor type that has the highest starting torque is the ____ motor. - CORRECT
ANSWER ✔✔✔✔✔ Capacitor-start
For a given number of poles, the ____ determines the speed of an AC motor. -
CORRECT ANSWER ✔✔✔✔✔ Frequency
Both induction and synchronous motors operate on the principle of a rotating
____ field - CORRECT ANSWER ✔✔✔✔✔ Magnetic
A transformer has 200 turns in the primary, 150 turns in the secondary, and
120VAC applied to the primary. The voltage across the secondary is: - CORRECT
ANSWER ✔✔✔✔✔ 90Volts
The output capacity of a motor is rated in - CORRECT ANSWER ✔✔✔✔✔
Horsepower
, The synchronous speed at which a pole, 60 Hz induction motor operates is rpm. -
CORRECT ANSWER ✔✔✔✔✔ 1,800
The sine of 0 degree is - CORRECT ANSWER ✔✔✔✔✔ 0
Meters used in AC circuits indicate the - CORRECT ANSWER ✔✔✔✔✔ Effective
The component labeled 7 in figure 1 is a(n) - CORRECT ANSWER ✔✔✔✔✔ End
seal
In an AC circuit containing resistance only _____ will flow if the resistance is 10
ohms and the voltage is 120V. - CORRECT ANSWER ✔✔✔✔✔ 12A
The _____ rotor types are generally rugged. - CORRECT ANSWER ✔✔✔✔✔
Squirrel cage
Proofs tests are made at_ of the original factory voltage. - CORRECT ANSWER
✔✔✔✔✔ 60%
Which type of heating cable cannot be cut and terminated in the field? -
CORRECT ANSWER ✔✔✔✔✔ Mineral insulated
The secondary of a CT under load should not be opened because of_. - CORRECT
ANSWER ✔✔✔✔✔ Induced high voltage
In a transformer ______ - CORRECT ANSWER ✔✔✔✔✔ Electromagnetic
Induction Ocurs
When a ground rod is installed, the top of the rod must be positioned ______
grade. - CORRECT ANSWER ✔✔✔✔✔ Flush with or below
2026 LATEST VERSION [QUESTIONS AND
ANSWERS] DETAILED AND VERIFIED
FOR GUARANTEED PASS- LATEST
UPDATE GRADED A (BRAND NEW!!)
What is a dropout plate? - CORRECT ANSWER ✔✔✔✔✔ Metal plate with a
curved surface for cable to follow as it passes from the tray
All of the following are common service voltages in the United States EXCEPT: -
CORRECT ANSWER ✔✔✔✔✔ 372/575 3-PHASE, 4-WIRE
What does a GFCI breaker do? - CORRECT ANSWER ✔✔✔✔✔ Opens a circuit to
prevent operation of an electrical device
What will happen when one or more coils in a winding are grounded? - CORRECT
ANSWER ✔✔✔✔✔ The motor will automatically blow fuses
Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts,
with a 200-watt lamp. What is the total connected load? - CORRECT ANSWER
✔✔✔✔✔ 13.3 amps
The must be grounded in a bussed gutter if used as the main service equipment. -
CORRECT ANSWER ✔✔✔✔✔ Neutral busbar
When wall mounting cable tray, ensure that - CORRECT ANSWER ✔✔✔✔✔ The
building structure is strong enough to support the tray system
,The purpose of sealing cable ends when reels of cable are in storage is -
CORRECT ANSWER ✔✔✔✔✔ To keep moisture from creeping in
The outer covering on liguid-tight flexible metal conduit is used for - CORRECT
ANSWER ✔✔✔✔✔ A moisture seal
A good electrical connection should - CORRECT ANSWER ✔✔✔✔✔ Be
mechanically and electrically secure
The symbol normally used for duplex - CORRECT ANSWER ✔✔✔✔✔ Circle with
two parallel lines drawb through it
Disconnecting means are covered in - CORRECT ANSWER ✔✔✔✔✔ NEC
Section 110-22
In relation to switches, the term throw refers to the - CORRECT ANSWER
✔✔✔✔✔ Number of internal operations that a switch can perform
A 3-phase, 4-wire, 480v service requires ______ current transformer(s) -
CORRECT ANSWER ✔✔✔✔✔ 3
Services conductors and equipment are covered in - CORRECT ANSWER
✔✔✔✔✔ NEC Article 230
The NEC required that all receptacles installed on 25 amp and 20 amp branch
circuits be ______ receptacles - CORRECT ANSWER ✔✔✔✔✔ Grounding
A transformer with the primary of 400 turns and a secondary of 300 turns has a
_____ - CORRECT ANSWER ✔✔✔✔✔ Step-down turns ratio of 4:3
,The circular mil is based on the - CORRECT ANSWER ✔✔✔✔✔ Cross-sectional
area of the wire
Of the termination classes listed below, ____ is the only one that provides a seal
against external elements. - CORRECT ANSWER ✔✔✔✔✔ Class 1
Unless otherwise noted. the calculations in AC circuits _____ values. - CORRECT
ANSWER ✔✔✔✔✔ Rms
When the coil turns are increased the _____ - CORRECT ANSWER ✔✔✔✔✔
Induced voltage is increased
As the temperature surrounding a self-regulating heating cable rises, the ____ -
CORRECT ANSWER ✔✔✔✔✔ Resistance of the polymeric core increases
The motor type that has the highest starting torque is the ____ motor. - CORRECT
ANSWER ✔✔✔✔✔ Capacitor-start
For a given number of poles, the ____ determines the speed of an AC motor. -
CORRECT ANSWER ✔✔✔✔✔ Frequency
Both induction and synchronous motors operate on the principle of a rotating
____ field - CORRECT ANSWER ✔✔✔✔✔ Magnetic
A transformer has 200 turns in the primary, 150 turns in the secondary, and
120VAC applied to the primary. The voltage across the secondary is: - CORRECT
ANSWER ✔✔✔✔✔ 90Volts
The output capacity of a motor is rated in - CORRECT ANSWER ✔✔✔✔✔
Horsepower
, The synchronous speed at which a pole, 60 Hz induction motor operates is rpm. -
CORRECT ANSWER ✔✔✔✔✔ 1,800
The sine of 0 degree is - CORRECT ANSWER ✔✔✔✔✔ 0
Meters used in AC circuits indicate the - CORRECT ANSWER ✔✔✔✔✔ Effective
The component labeled 7 in figure 1 is a(n) - CORRECT ANSWER ✔✔✔✔✔ End
seal
In an AC circuit containing resistance only _____ will flow if the resistance is 10
ohms and the voltage is 120V. - CORRECT ANSWER ✔✔✔✔✔ 12A
The _____ rotor types are generally rugged. - CORRECT ANSWER ✔✔✔✔✔
Squirrel cage
Proofs tests are made at_ of the original factory voltage. - CORRECT ANSWER
✔✔✔✔✔ 60%
Which type of heating cable cannot be cut and terminated in the field? -
CORRECT ANSWER ✔✔✔✔✔ Mineral insulated
The secondary of a CT under load should not be opened because of_. - CORRECT
ANSWER ✔✔✔✔✔ Induced high voltage
In a transformer ______ - CORRECT ANSWER ✔✔✔✔✔ Electromagnetic
Induction Ocurs
When a ground rod is installed, the top of the rod must be positioned ______
grade. - CORRECT ANSWER ✔✔✔✔✔ Flush with or below
