Exam (elaborations)
NCCER Electrical Questions with correct Answers 2024
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Exam of 9 pages for the course NCCER at NCCER (NCCER Electrical)
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NCCER ElectricalWhat is shown on a sectional drawing? - answer cutaway view of a building
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? - answer 232
What is the name of the connecting device shown in the diagram? - answer split -
bolt
The volt amperes in an AC circuit is the same as - answer apparent power
What should be done to change rotation of a 3 phase motor? - answer Swap any two
T leads
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? - answer 48amps
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? - answer 10.5
What instrument is used to measure current - answer Ammeter
Which plan indicates the location of structures and equipment on a property - answer
site
Generally , the most ideal conductor is made of: - answer copper
What is the standard size system used in the united states - answer AWG
What is insulating tape? - answer Non-Conductive adhesive tape
Which of these is used as a guide to assist cables entering a conduit? - answer
Piston
What type of conduit body is characterized by a threaded straight hub on each end? -
answer C
, Which of the following is not a reason why electrical systems must be grounded? -
answer Limit the potential between ungrounded conductors
A megger will be used to check an in-service cable. The Electrician MUST be sure that
the circuit is: - answer De-energized and locked tagged out, and tested
Rubber gloves MUST be electrically tested at MAXIMUM intervals of: - answer 6
months
A dangerously high voltage is produced when someone opens the secondary circuit of
a: - answer Current transformer
Which choice best describes the two types of pushbutton operators typically used in
motor controls - answer Open and Closed
In the event of an emergency where the lockout/ tagout device is left secured, who can
remove the lockout/tagout device? - answer Authorize supervisor
A drawing showing a point A to point B hookup of conductors is called a: - answer
Wiring diagram
A NEMA type___ enclosure is both watertight and corrosion- resistant. - answer 4X
What's the MAIN characteristic of a confined space? - answer Limited access and
egress
Which of the following BEST describes where the type and size of overcurrent
protection is found? - answer Panelboard schedule
A Type "X" conduit body has how many conduit entries - answer 4
What test equipment can be used to test the condition of insulation in electrical
apparatus? - answer Megohmmeter
The opposing force to a flow of alternating current is called: - answer Reactance
That is a trapeze type support - answer Two threaded rods supporting a channel or
strut
The opposition to current flow referred to as: - answer resistance
The type of mounting used for lighting fixtures is indicated in the: - answer electrical
drawings
Verifying the presence or absence of voltage should be performed only by: - answer
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