Electrical NCCER test Questions With Complete Solutions(Guaranteed Sucess)
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Course
NCCER Electrical
Institution
NCCER Electrical
Electrical NCCER test Questions With Complete Solutions(Guaranteed Sucess)
In a guardrail system, the guardrails can be made of any of the following EXCEPT: - correct answer...ropebanding
If the potential across the circuit is 48 volts and the current is 5 amps the resistance of the circuit i...
Electrical NCCER test Questions With
Complete Solutions(Guaranteed Sucess)
In a guardrail system, the guardrails can be made of any of the following EXCEPT: -
correct answer...✔✔ropebanding
If the potential across the circuit is 48 volts and the current is 5 amps the resistance of
the circuit is: - correct answer...✔✔9.6 ohms
A UL listed rod type grounding electrode must have a minimum length of: - correct
answer...✔✔8'
What is the MINIMUM number of overload sensing units required for all three phase
motors? - correct answer...✔✔3
In a circuit of pure capacitance, the current leads the voltage by an angle of: - correct
answer...✔✔90-degrees
The standard unit for a measuring the cross-sectional area of a wire is the: - correct
answer...✔✔circular mil
The drawing scale is MOST likely to be found in which of the following drawing
locations? - correct answer...✔✔the drawing little block
The length of a bare copper conductor in a ground ring MUST be buried no less than
2.5' below grade and with a length of at least: - correct answer...✔✔20 ft.
When installing heating cables for anti-icing systems, cable patters should be in a: -
correct answer...✔✔Serpentine
An auxiliary holding contact (seal-in) on a NEMA starter is indicated by the terminal
marking: - correct answer...✔✔A1 & A2
The neutral bus in a sub panel: - correct answer...✔✔is bonded
The PEAK voltage in a nominal 120/208 VAC system is: - correct answer...✔✔208V.
THWN conductors have an outer jacket made of: - correct answer...✔✔nylon
What is shown on a sectional drawing? - correct answer...✔✔Cutaway view of a
building
AGRADESOLUTIONS
, Who is allowed to remove another electrician's tag or lock from any valve, switch, or
piece of equipment without proper authorization? - correct answer...✔✔no one.
The MAIN purpose of a revision block on an electrical drawing is to: - correct answer...
✔✔note any changes to the original drawings
Which of the following is the classified location where combustible vapors are always
present? - correct answer...✔✔class I Div I
With a row of 3-4" conduits and second row of 3-2" and 2-1" conduits for an angle pull
box what is the MINIMUM distance between the opposite walls of the pull box? - correct
answer...✔✔32"
Exposed field-routed electrical conduit SHOULD be installed so that it: - correct
answer...✔✔is plumb and level
When wiring control push button control circuit, the auxiliary holding contact (seal-in) is
wired with the start button in: - correct answer...✔✔parallel
Ferrous metal raceways, boxes, fittings, and supports must be protected against: -
correct answer...✔✔corrosion
Which of the following factors is used to control the speed of an induction motor? -
correct answer...✔✔Frequency
Electrical hand tools that use a regular 120-volt system MUST be 3-wire grounded
UNLESS the: - correct answer...✔✔tool is double-insulated and is approved by an
independent testing facility.
A conductor with 220 mils of insulation would have insulation thickness of: - correct
answer...✔✔0.22"
What is the purpose of sealing cable ends that are in storage? - correct answer...✔✔to
keep moisture from entering it
Which one of the fuses is a standard size according to the NEC? - correct answer...✔✔
3
A 1000 KVA three phase transformer has a secondary voltage of 208/120. What is the
secondary full load amperage? - correct answer...✔✔
A megohmmeter will be used to check a cable. The electrician MUST be sure that the
circuit is - correct answer...✔✔de-energized and locked, tagged out, and tested.
AGRADESOLUTIONS
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