The electrical NCCER test
2025/2026 Exam
Questions and Answers
A+ Grades Guarantee
, article 250
Which Article of the NEC covers
grounding?
Which of the following is a 90 GUAL
degree, explosion proof fitting?
Metal plate with a curved surface for cable to follow as it passes
What is a dropout plate? from the tray
372/575 3-PHASE, 4-WIRE
All of the following are common
service voltages in the United
States EXCEPT:
What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device
The motor will automatically blow fuses
What will happen when one or
more coils in a winding are
grounded?
13.3 amps
Eight incandescent lighting
fixtures are to be installed. Each
fixture is 120- volts, with a 200-
watt lamp. What is the total
connected load?
Neutral busbar
The must be grounded in a
bussed gutter if used as the main
service equipment.
The building structure is strong enough to support the tray system
When wall mounting cable tray,
ensure that
To keep moisture from creeping in
The purpose of sealing cable
ends when reels of cable are in
storage is
A moisture seal
The outer covering on liguid-tight
flexible metal conduit is used for
Be mechanically and electrically secure
A good electrical connection
should
Circle with two parallel lines drawb through it
The symbol normally used for
duplex
NEC Section 110-22
Disconnecting means are
covered in
Number of internal operations that a switch can perform
In relation to switches, the term
throw refers to the
, 3
A 3-phase, 4-wire, 480v service
requires ______ current
transformer(s)
NEC Article 230
Services conductors and
equipment are covered in
Grounding
The NEC required that all
receptacles installed on 25 amp
and 20 amp branch circuits be
______ receptacles
Step-down turns ratio of 4:3
A transformer with the primary of
400 turns and a secondary of 300
turns has a _____
The circular mil is based on the Cross-sectional area of the wire
Class 1
Of the termination classes listed
below, ____ is the only one that
provides a seal against external
elements.
Rms
Unless otherwise noted. the
calculations in AC circuits _____
values.
Induced voltage is increased
When the coil turns are increased
the _____
Resistance of the polymeric core increases
As the temperature surrounding a
self-regulating heating cable
rises, the ____
Capacitor-start
The motor type that has the
highest starting torque is the
____ motor.
Frequency
For a given number of poles, the
____ determines the speed of an
AC motor.
Magnetic
Both induction and synchronous
motors operate on the principle of
a rotating ____ field
90Volts
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:
Horsepower
The output capacity of a motor is
rated in
2025/2026 Exam
Questions and Answers
A+ Grades Guarantee
, article 250
Which Article of the NEC covers
grounding?
Which of the following is a 90 GUAL
degree, explosion proof fitting?
Metal plate with a curved surface for cable to follow as it passes
What is a dropout plate? from the tray
372/575 3-PHASE, 4-WIRE
All of the following are common
service voltages in the United
States EXCEPT:
What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device
The motor will automatically blow fuses
What will happen when one or
more coils in a winding are
grounded?
13.3 amps
Eight incandescent lighting
fixtures are to be installed. Each
fixture is 120- volts, with a 200-
watt lamp. What is the total
connected load?
Neutral busbar
The must be grounded in a
bussed gutter if used as the main
service equipment.
The building structure is strong enough to support the tray system
When wall mounting cable tray,
ensure that
To keep moisture from creeping in
The purpose of sealing cable
ends when reels of cable are in
storage is
A moisture seal
The outer covering on liguid-tight
flexible metal conduit is used for
Be mechanically and electrically secure
A good electrical connection
should
Circle with two parallel lines drawb through it
The symbol normally used for
duplex
NEC Section 110-22
Disconnecting means are
covered in
Number of internal operations that a switch can perform
In relation to switches, the term
throw refers to the
, 3
A 3-phase, 4-wire, 480v service
requires ______ current
transformer(s)
NEC Article 230
Services conductors and
equipment are covered in
Grounding
The NEC required that all
receptacles installed on 25 amp
and 20 amp branch circuits be
______ receptacles
Step-down turns ratio of 4:3
A transformer with the primary of
400 turns and a secondary of 300
turns has a _____
The circular mil is based on the Cross-sectional area of the wire
Class 1
Of the termination classes listed
below, ____ is the only one that
provides a seal against external
elements.
Rms
Unless otherwise noted. the
calculations in AC circuits _____
values.
Induced voltage is increased
When the coil turns are increased
the _____
Resistance of the polymeric core increases
As the temperature surrounding a
self-regulating heating cable
rises, the ____
Capacitor-start
The motor type that has the
highest starting torque is the
____ motor.
Frequency
For a given number of poles, the
____ determines the speed of an
AC motor.
Magnetic
Both induction and synchronous
motors operate on the principle of
a rotating ____ field
90Volts
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:
Horsepower
The output capacity of a motor is
rated in
