NCC Practice Test 5
EXAM QUESTIONS AND
VERIFIED CORRECT
ANSWERS GRADED A+
[LATEST 2026-2027] 100%
GUARANTEED PASS
Which of the following readings may indicate a problem when detecting neutral overloading in
a receptacle branch circuit by measuring the neutral-to-ground voltage? - CORRECT ANSWER-
Higher than 2V
One of the advantages of an SSR over an EMR is its - CORRECT ANSWER-response time
Connection diagrams should be used to - CORRECT ANSWER-show the internal wiring
connections between the parts that make up an apparatus
When installing single conductor cables in tray systems with conductors size 4/0 and larger, they
must be - CORRECT ANSWER-installed in a single layer
The contactor sequence for the circuit shown in the figure above is such that during the
transition from reduced-voltage operation to full-voltage operation, the energized contactors
are 2S and - CORRECT ANSWER-1S
, What components are installed to increase the power factor and decreases the cost of
electricity caused by large inductive loads? - CORRECT ANSWER-Capacitors
What is the voltage of the secondary in a transformer with 200 turns in the primary, 20 turns in
the secondary, and an input voltage of 2,400V? - CORRECT ANSWER-240V
Which of the following should be used to cut EMT? - CORRECT ANSWER-Hacksaw
Which of the following refers to the total load seen by the CT secondary? - CORRECT ANSWER-
Burden
A pocket knife can be used to deburr - CORRECT ANSWER-PVC
Which of the following types of transformers must be installed in a vault? - CORRECT ANSWER-
35kV oil-insulated transformers
When creating an offset using 10* bends, with a multiplier of 6, to cross a 6 inch obstruction,
the distance between bends is - CORRECT ANSWER-36 inches
A three phase, four wire system that has the advantage of providing three-phase power and
allowing lighting to be connected between any of the secondary phases and the neutral would
have a - CORRECT ANSWER-wye secondary
Wires from a sensor to a ground fault relay should be no longer than - CORRECT ANSWER-25'
Which of the following forces are always present in an AC circuit? - CORRECT ANSWER-
Inductance and true power
EXAM QUESTIONS AND
VERIFIED CORRECT
ANSWERS GRADED A+
[LATEST 2026-2027] 100%
GUARANTEED PASS
Which of the following readings may indicate a problem when detecting neutral overloading in
a receptacle branch circuit by measuring the neutral-to-ground voltage? - CORRECT ANSWER-
Higher than 2V
One of the advantages of an SSR over an EMR is its - CORRECT ANSWER-response time
Connection diagrams should be used to - CORRECT ANSWER-show the internal wiring
connections between the parts that make up an apparatus
When installing single conductor cables in tray systems with conductors size 4/0 and larger, they
must be - CORRECT ANSWER-installed in a single layer
The contactor sequence for the circuit shown in the figure above is such that during the
transition from reduced-voltage operation to full-voltage operation, the energized contactors
are 2S and - CORRECT ANSWER-1S
, What components are installed to increase the power factor and decreases the cost of
electricity caused by large inductive loads? - CORRECT ANSWER-Capacitors
What is the voltage of the secondary in a transformer with 200 turns in the primary, 20 turns in
the secondary, and an input voltage of 2,400V? - CORRECT ANSWER-240V
Which of the following should be used to cut EMT? - CORRECT ANSWER-Hacksaw
Which of the following refers to the total load seen by the CT secondary? - CORRECT ANSWER-
Burden
A pocket knife can be used to deburr - CORRECT ANSWER-PVC
Which of the following types of transformers must be installed in a vault? - CORRECT ANSWER-
35kV oil-insulated transformers
When creating an offset using 10* bends, with a multiplier of 6, to cross a 6 inch obstruction,
the distance between bends is - CORRECT ANSWER-36 inches
A three phase, four wire system that has the advantage of providing three-phase power and
allowing lighting to be connected between any of the secondary phases and the neutral would
have a - CORRECT ANSWER-wye secondary
Wires from a sensor to a ground fault relay should be no longer than - CORRECT ANSWER-25'
Which of the following forces are always present in an AC circuit? - CORRECT ANSWER-
Inductance and true power
