NCCER Electrical - Exam Questions & Verified Answers
Verifying the presence or absence of voltage should be Qualified individuals
performed only by:
The NEC recommends maintaining voltage within a 3% 232
drop. If a branch circuit operates at 240 volts AC, what is
the minimum circuit operating volt?
What is the name of the connecting device shown in the split-bolt
diagram?
The volt amperes in an AC circuit is the same as Apparent power
What is the voltage drop for a #8 (16.150 cmil) copper wire 13.1
at 120v. 215 feet one way and load of 39amps?
If a voltage source of a circuit provides 240 volts and there 48amps
are 5 ohms of resistance, how much current is in the circuit
What should be done to change rotation of a 3-phase swap any two T leads
motor?
What instrument is used to measure current? Ammeter
3 multiple choice options
Which plan indicates the location of structures and Detail drawing
equipment on a property?
Generally, the most ideal conductor is made of: Copper
3 multiple choice options
What is the standard size system used in the US? AWG
What is insulating tape? Non-Conductive adhesive tape
Which of these is used as a guide to assist cables entering Sheave
a conduit?
Which of the following is not a reason why electrical Limit the potential between ungrounded conductors
systems must be grounded?
2026-2027
, NCCER Electrical - Exam Questions & Verified Answers
What type of conduit body is characterized by a threaded C
straight hub on each end?
A megger will be used to check an in-service cable. The De-energized and locked, tagged out, and tested
electrician MUST be sure that the circuit is:
Rubber gloves MUST be electrically tested at MAXIMUM 6 months
intervals of:
A dangerously high voltage is produced when someone Current transformer
opens the secondary circuit of a:
Which choice best describes the two types of push button Open and closed
operators typically used in motor controls
In the event of an emergency where the lockout/tagout Authorized supervisor
device is left secured, who can remove the lockout/tagout
device?
A drawing showing a point A to point B hookup of Wiring diagram
conductors is called a:
A NEMA type ___ enclosure is both watertight and 4X
corrosion-resistant.
What's the MAIN characteristics of a confined space? Limit access and egress
Which of the following BEST describes where the type and Panelboard schedule
size of overcurrent protection is found?
A type "X" conduit body has how many conduit entries? 4
What test equipment can be used to test the condition of Megohmmeter
insulation in electrical apparatus?
The opposing force to a flow of alternating current is Reactance
called:
That is a trapeze type support Two threaded rods supporting a channel or strut
The opposition to current flow referred to as: resistance
2026-2027
Verifying the presence or absence of voltage should be Qualified individuals
performed only by:
The NEC recommends maintaining voltage within a 3% 232
drop. If a branch circuit operates at 240 volts AC, what is
the minimum circuit operating volt?
What is the name of the connecting device shown in the split-bolt
diagram?
The volt amperes in an AC circuit is the same as Apparent power
What is the voltage drop for a #8 (16.150 cmil) copper wire 13.1
at 120v. 215 feet one way and load of 39amps?
If a voltage source of a circuit provides 240 volts and there 48amps
are 5 ohms of resistance, how much current is in the circuit
What should be done to change rotation of a 3-phase swap any two T leads
motor?
What instrument is used to measure current? Ammeter
3 multiple choice options
Which plan indicates the location of structures and Detail drawing
equipment on a property?
Generally, the most ideal conductor is made of: Copper
3 multiple choice options
What is the standard size system used in the US? AWG
What is insulating tape? Non-Conductive adhesive tape
Which of these is used as a guide to assist cables entering Sheave
a conduit?
Which of the following is not a reason why electrical Limit the potential between ungrounded conductors
systems must be grounded?
2026-2027
, NCCER Electrical - Exam Questions & Verified Answers
What type of conduit body is characterized by a threaded C
straight hub on each end?
A megger will be used to check an in-service cable. The De-energized and locked, tagged out, and tested
electrician MUST be sure that the circuit is:
Rubber gloves MUST be electrically tested at MAXIMUM 6 months
intervals of:
A dangerously high voltage is produced when someone Current transformer
opens the secondary circuit of a:
Which choice best describes the two types of push button Open and closed
operators typically used in motor controls
In the event of an emergency where the lockout/tagout Authorized supervisor
device is left secured, who can remove the lockout/tagout
device?
A drawing showing a point A to point B hookup of Wiring diagram
conductors is called a:
A NEMA type ___ enclosure is both watertight and 4X
corrosion-resistant.
What's the MAIN characteristics of a confined space? Limit access and egress
Which of the following BEST describes where the type and Panelboard schedule
size of overcurrent protection is found?
A type "X" conduit body has how many conduit entries? 4
What test equipment can be used to test the condition of Megohmmeter
insulation in electrical apparatus?
The opposing force to a flow of alternating current is Reactance
called:
That is a trapeze type support Two threaded rods supporting a channel or strut
The opposition to current flow referred to as: resistance
2026-2027
