NCCER ELECTRICAL CERTIFICATION FINAL
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS GRADED A+
◉ Which of the following is a 90 degree, explosion proof fitting?
Answer: GUAL
◉ What is a dropout plate? 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: Answer: 372/575 3-PHASE, 4-WIRE
◉ What does a GFCI breaker do? Answer: Opens a circuit to prevent
operation of an electrical device
◉ What will happen when one or more coils in a winding are
grounded? 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? Answer: 13.3 amps
,◉ The must be grounded in a bussed gutter if used as the main
service equipment. Answer: Neutral busbar
◉ When wall mounting cable tray, ensure that 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 Answer: To keep moisture from creeping in
◉ 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
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS GRADED A+
◉ Which of the following is a 90 degree, explosion proof fitting?
Answer: GUAL
◉ What is a dropout plate? 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: Answer: 372/575 3-PHASE, 4-WIRE
◉ What does a GFCI breaker do? Answer: Opens a circuit to prevent
operation of an electrical device
◉ What will happen when one or more coils in a winding are
grounded? 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? Answer: 13.3 amps
,◉ The must be grounded in a bussed gutter if used as the main
service equipment. Answer: Neutral busbar
◉ When wall mounting cable tray, ensure that 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 Answer: To keep moisture from creeping in
◉ 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
