The electrical NCCER test Exam fully solved &
updated 2026(latest version verified for
accuracy) |Latest!!
Save
Terms in this set (289)
Which Article of the NEC covers article 250
grounding?
Which of the following is a 90 GUAL
degree, explosion proof fitting?
What is a dropout plate? Metal plate with a curved surface for cable to
follow as it passes from the tray
All of the following are common 372/575 3-PHASE, 4-WIRE
service voltages in the United
States EXCEPT:
What does a GFCI breaker do? Opens a circuit to prevent operation of an
electrical device
What will happen when one or The motor will automatically blow fuses
more coils in a winding are
grounded?
,Eight incandescent lighting fixtures 13.3 amps
are to be installed. Each fixture is
120- volts, with a 200-watt lamp.
What is the total connected load?
The must be grounded in a bussed Neutral busbar
gutter if used as the main service
equipment.
When wall mounting cable tray, The building structure is strong enough to
ensure that support the tray system
The purpose of sealing cable ends To keep moisture from creeping in
when reels of cable are in storage
is
The outer covering on liguid-tight A moisture seal
flexible metal conduit is used for
A good electrical connection Be mechanically and electrically secure
should
The symbol normally used for Circle with two parallel lines drawb through it
duplex
Disconnecting means are covered NEC Section 110-22
in
In relation to switches, the term Number of internal operations that a switch can
throw refers to the perform
A 3-phase, 4-wire, 480v service 3
requires ______ current transformer(s)
,Services conductors and NEC Article 230
equipment are covered in
The NEC required that all Grounding
receptacles installed on 25 amp
and 20 amp branch circuits be ______
receptacles
A transformer with the primary of Step-down turns ratio of 4:3
400 turns and a secondary of 300
turns has a _____
The circular mil is based on the Cross-sectional area of the wire
Of the termination classes listed Class 1
below, ____ is the only one that
provides a seal against external
elements.
Unless otherwise noted. the Rms
calculations in AC circuits _____
values.
When the coil turns are increased Induced voltage is increased
the _____
As the temperature surrounding a Resistance of the polymeric core increases
self-regulating heating cable rises,
the ____
The motor type that has the highest Capacitor-start
starting torque is the ____ motor.
For a given number of poles, the ____ Frequency
determines the speed of an AC
motor.
, Both induction and synchronous Magnetic
motors operate on the principle of
a rotating ____ field
A transformer has 200 turns in the 90Volts
primary, 150 turns in the secondary,
and 120VAC applied to the primary.
The voltage across the secondary
is:
The output capacity of a motor is Horsepower
rated in
The synchronous speed at which a 1,800
pole, 60 Hz induction motor
operates is rpm.
The sine of 0 degree is 0
Meters used in AC circuits indicate Effective
the
The component labeled 7 in figure 1 End seal
is a(n)
In an AC circuit containing 12A
resistance only _____ will flow if the
resistance is 10 ohms and the
voltage is 120V.
The _____ rotor types are generally Squirrel cage
rugged.
Proofs tests are made at_ of the 60%
original factory voltage.
updated 2026(latest version verified for
accuracy) |Latest!!
Save
Terms in this set (289)
Which Article of the NEC covers article 250
grounding?
Which of the following is a 90 GUAL
degree, explosion proof fitting?
What is a dropout plate? Metal plate with a curved surface for cable to
follow as it passes from the tray
All of the following are common 372/575 3-PHASE, 4-WIRE
service voltages in the United
States EXCEPT:
What does a GFCI breaker do? Opens a circuit to prevent operation of an
electrical device
What will happen when one or The motor will automatically blow fuses
more coils in a winding are
grounded?
,Eight incandescent lighting fixtures 13.3 amps
are to be installed. Each fixture is
120- volts, with a 200-watt lamp.
What is the total connected load?
The must be grounded in a bussed Neutral busbar
gutter if used as the main service
equipment.
When wall mounting cable tray, The building structure is strong enough to
ensure that support the tray system
The purpose of sealing cable ends To keep moisture from creeping in
when reels of cable are in storage
is
The outer covering on liguid-tight A moisture seal
flexible metal conduit is used for
A good electrical connection Be mechanically and electrically secure
should
The symbol normally used for Circle with two parallel lines drawb through it
duplex
Disconnecting means are covered NEC Section 110-22
in
In relation to switches, the term Number of internal operations that a switch can
throw refers to the perform
A 3-phase, 4-wire, 480v service 3
requires ______ current transformer(s)
,Services conductors and NEC Article 230
equipment are covered in
The NEC required that all Grounding
receptacles installed on 25 amp
and 20 amp branch circuits be ______
receptacles
A transformer with the primary of Step-down turns ratio of 4:3
400 turns and a secondary of 300
turns has a _____
The circular mil is based on the Cross-sectional area of the wire
Of the termination classes listed Class 1
below, ____ is the only one that
provides a seal against external
elements.
Unless otherwise noted. the Rms
calculations in AC circuits _____
values.
When the coil turns are increased Induced voltage is increased
the _____
As the temperature surrounding a Resistance of the polymeric core increases
self-regulating heating cable rises,
the ____
The motor type that has the highest Capacitor-start
starting torque is the ____ motor.
For a given number of poles, the ____ Frequency
determines the speed of an AC
motor.
, Both induction and synchronous Magnetic
motors operate on the principle of
a rotating ____ field
A transformer has 200 turns in the 90Volts
primary, 150 turns in the secondary,
and 120VAC applied to the primary.
The voltage across the secondary
is:
The output capacity of a motor is Horsepower
rated in
The synchronous speed at which a 1,800
pole, 60 Hz induction motor
operates is rpm.
The sine of 0 degree is 0
Meters used in AC circuits indicate Effective
the
The component labeled 7 in figure 1 End seal
is a(n)
In an AC circuit containing 12A
resistance only _____ will flow if the
resistance is 10 ohms and the
voltage is 120V.
The _____ rotor types are generally Squirrel cage
rugged.
Proofs tests are made at_ of the 60%
original factory voltage.
