Electrical NCCER test Exam with Complete Questions and Answers.
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Course
Electrical NCCER
Institution
Electrical NCCER
Electrical NCCER test Exam with Complete Questions and Answers.Electrical NCCER test Exam with Complete Questions and Answers.Electrical NCCER test Exam with Complete Questions and Answers.
Electrical NCCER test Exam with Complete Questions and
Answers.
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
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.
A protective device for limiting voltage spikes by discharging or bypassing surge current
is called a: - Correct Answer surge limiter
What is the resultant distance between center bends for a 10-inch offset at 15 degrees?
- Correct Answer 38.7 In.
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