ELECTRICAL CERTIFICATION TEST PRACTICE
ASSESSMENT 2026 FULL QUESTIONS AND
ANSWERS GRADED A PLUS COMPLETE
REVISION GUIDE 400 ITEMS
◉ The outer covering on liguid-tight flexible metal conduit is used
for
Answer: A moisture seal
◉ A good electrical connection should
Answer: Be mechanically and electrically secure
◉ The symbol normally used for duplex
Answer: Circle with two parallel lines drawb through it
◉ Disconnecting means are covered in
Answer: NEC Section 110-22
◉ In relation to switches, the term throw refers to the
Answer: Number of internal operations that a switch can perform
,◉ A 3-phase, 4-wire, 480v service requires ______ current
transformer(s)
Answer: 3
◉ Services conductors and equipment are covered in
Answer: NEC Article 230
◉ The NEC required that all receptacles installed on 25 amp and 20
amp branch circuits be ______ receptacles
Answer: Grounding
◉ A transformer with the primary of 400 turns and a secondary of
300 turns has a _____
Answer: Step-down turns ratio of 4:3
◉ The circular mil is based on the
Answer: Cross-sectional area of the wire
◉ Of the termination classes listed below, ____ is the only one that
provides a seal against external elements.
Answer: Class 1
◉ Unless otherwise noted. the calculations in AC circuits _____ values.
,Answer: Rms
◉ When the coil turns are increased the _____
Answer: Induced voltage is increased
◉ As the temperature surrounding a self-regulating heating cable
rises, the ____
Answer: Resistance of the polymeric core increases
◉ The motor type that has the highest starting torque is the ____
motor.
Answer: Capacitor-start
◉ For a given number of poles, the ____ determines the speed of an
AC motor.
Answer: Frequency
◉ Both induction and synchronous motors operate on the principle
of a rotating ____ field
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:
Answer: 90Volts
◉ The output capacity of a motor is rated in
Answer: Horsepower
◉ The synchronous speed at which a pole, 60 Hz induction motor
operates is rpm.
Answer: 1,800
◉ The sine of 0 degree is
Answer: 0
◉ Meters used in AC circuits indicate the
Answer: Effective
◉ The component labeled 7 in figure 1 is a(n)
Answer: End seal
◉ In an AC circuit containing resistance only _____ will flow if the
resistance is 10 ohms and the voltage is 120V.
ASSESSMENT 2026 FULL QUESTIONS AND
ANSWERS GRADED A PLUS COMPLETE
REVISION GUIDE 400 ITEMS
◉ The outer covering on liguid-tight flexible metal conduit is used
for
Answer: A moisture seal
◉ A good electrical connection should
Answer: Be mechanically and electrically secure
◉ The symbol normally used for duplex
Answer: Circle with two parallel lines drawb through it
◉ Disconnecting means are covered in
Answer: NEC Section 110-22
◉ In relation to switches, the term throw refers to the
Answer: Number of internal operations that a switch can perform
,◉ A 3-phase, 4-wire, 480v service requires ______ current
transformer(s)
Answer: 3
◉ Services conductors and equipment are covered in
Answer: NEC Article 230
◉ The NEC required that all receptacles installed on 25 amp and 20
amp branch circuits be ______ receptacles
Answer: Grounding
◉ A transformer with the primary of 400 turns and a secondary of
300 turns has a _____
Answer: Step-down turns ratio of 4:3
◉ The circular mil is based on the
Answer: Cross-sectional area of the wire
◉ Of the termination classes listed below, ____ is the only one that
provides a seal against external elements.
Answer: Class 1
◉ Unless otherwise noted. the calculations in AC circuits _____ values.
,Answer: Rms
◉ When the coil turns are increased the _____
Answer: Induced voltage is increased
◉ As the temperature surrounding a self-regulating heating cable
rises, the ____
Answer: Resistance of the polymeric core increases
◉ The motor type that has the highest starting torque is the ____
motor.
Answer: Capacitor-start
◉ For a given number of poles, the ____ determines the speed of an
AC motor.
Answer: Frequency
◉ Both induction and synchronous motors operate on the principle
of a rotating ____ field
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:
Answer: 90Volts
◉ The output capacity of a motor is rated in
Answer: Horsepower
◉ The synchronous speed at which a pole, 60 Hz induction motor
operates is rpm.
Answer: 1,800
◉ The sine of 0 degree is
Answer: 0
◉ Meters used in AC circuits indicate the
Answer: Effective
◉ The component labeled 7 in figure 1 is a(n)
Answer: End seal
◉ In an AC circuit containing resistance only _____ will flow if the
resistance is 10 ohms and the voltage is 120V.
