NCCER ELECTRICAL CERTIFICATION EXAM |2025-2026 LATEST UPDATED| REAL
EXAM QUESTIONS AND ANSWERS | 100% RATED CORRECT | 100% VERFIED
SOLUTIONS | ALREADY GRADED A+
1. What is shown on a sectional drawing?: cutaway view of a building
2. The NEC recommends maintaining voltage within a 3% drop. If a branch
circuit operates at 240 volts AC. What is the minimum circuit operating
volt?: 232
3. What is the name of the connecting device shown in the diagram?: split -
bolt
4. The volt amperes in an AC circuit is the same as: apparent power
5. What should be done to change rotation of a 3 phase motor?: Swap any two
T leads
6. 5. If a voltage source of a circuit provides 240 volts and there are 5 ohms
of resistance, how much current is in the circuit?: 48amps
7. 4.What is the voltage drop for a #8 (16.510 cmil) copper wire at 120v. 215
feet one way and a load of 39amps?: 10.5
8. What instrument is used to measure current: Ammeter
,9. Which plan indicates the location of structures and equipment on a
proper-
ty: site
10. Generally , the most ideal conductor is made of:: copper
11. What is the standard size system used in the united states: AWG
12. What is insulating tape?: Non-Conductive adhesive tape
13. Which of these is used as a guide to assist cables entering a conduit?:
Piston
14. What type of conduit body is characterized by a threaded straight hub on
each end?: C
15. Which of the following is not a reason why electrical systems must be
grounded?: Limit the potential between ungrounded conductors
16. A megger will be used to check an in-service cable. The Electrician MUST
be sure that the circuit is:: De-energized and locked tagged out, and tested
17. Rubber gloves MUST be electrically tested at MAXIMUM intervals of::
6 months
18. A dangerously high voltage is produced when someone opens the
secondary circuit of a:: Current transformer
, 19. Which choice best describes the two types of pushbutton operators
typically used in motor controls: Open and Closed
20. In the event of an emergency where the lockout/ tagout device is left
secured, who can remove the lockout/tagout device?: Authorize supervisor 21.
A drawing showing a point A to point B hookup of conductors is called a::
Wiring diagram
22. A NEMA type___ enclosure is both watertight and corrosion- resistant.: 4X
23. What's the MAIN characteristic of a confined space?: Limited access and
egress
24 Which of the following BEST describes where the type and size of
overcurrent protection is found?: Panelboard schedule
25. A Type "X" conduit body has how many conduit entries: 4
26. What test equipment can be used to test the condition of insulation in
electrical apparatus?: Megohmmeter
27. The opposing force to a flow of alternating current is called:: Reactance
28. That is a trapeze type support: Two threaded rods supporting a channel
or strut
29. The opposition to current flow referred to as:: resistance
EXAM QUESTIONS AND ANSWERS | 100% RATED CORRECT | 100% VERFIED
SOLUTIONS | ALREADY GRADED A+
1. What is shown on a sectional drawing?: cutaway view of a building
2. The NEC recommends maintaining voltage within a 3% drop. If a branch
circuit operates at 240 volts AC. What is the minimum circuit operating
volt?: 232
3. What is the name of the connecting device shown in the diagram?: split -
bolt
4. The volt amperes in an AC circuit is the same as: apparent power
5. What should be done to change rotation of a 3 phase motor?: Swap any two
T leads
6. 5. If a voltage source of a circuit provides 240 volts and there are 5 ohms
of resistance, how much current is in the circuit?: 48amps
7. 4.What is the voltage drop for a #8 (16.510 cmil) copper wire at 120v. 215
feet one way and a load of 39amps?: 10.5
8. What instrument is used to measure current: Ammeter
,9. Which plan indicates the location of structures and equipment on a
proper-
ty: site
10. Generally , the most ideal conductor is made of:: copper
11. What is the standard size system used in the united states: AWG
12. What is insulating tape?: Non-Conductive adhesive tape
13. Which of these is used as a guide to assist cables entering a conduit?:
Piston
14. What type of conduit body is characterized by a threaded straight hub on
each end?: C
15. Which of the following is not a reason why electrical systems must be
grounded?: Limit the potential between ungrounded conductors
16. A megger will be used to check an in-service cable. The Electrician MUST
be sure that the circuit is:: De-energized and locked tagged out, and tested
17. Rubber gloves MUST be electrically tested at MAXIMUM intervals of::
6 months
18. A dangerously high voltage is produced when someone opens the
secondary circuit of a:: Current transformer
, 19. Which choice best describes the two types of pushbutton operators
typically used in motor controls: Open and Closed
20. In the event of an emergency where the lockout/ tagout device is left
secured, who can remove the lockout/tagout device?: Authorize supervisor 21.
A drawing showing a point A to point B hookup of conductors is called a::
Wiring diagram
22. A NEMA type___ enclosure is both watertight and corrosion- resistant.: 4X
23. What's the MAIN characteristic of a confined space?: Limited access and
egress
24 Which of the following BEST describes where the type and size of
overcurrent protection is found?: Panelboard schedule
25. A Type "X" conduit body has how many conduit entries: 4
26. What test equipment can be used to test the condition of insulation in
electrical apparatus?: Megohmmeter
27. The opposing force to a flow of alternating current is called:: Reactance
28. That is a trapeze type support: Two threaded rods supporting a channel
or strut
29. The opposition to current flow referred to as:: resistance
