NEC 2017 Journeyman Prep Quiz EXAM, Complete Test || Questions and Answers (Verified Answers) (Latest Update 2026) UPDATE!!

4/7/26, 12:42 PM NEC 2017 Journeyman Prep Quiz EXAM, Complete Test || Questions and Answers (Verified Answers) (Latest Update 2026) UPDA…




NEC 2017 Journeyman Prep Quiz EXAM,
Complete Test || Questions and Answers (Verified
Answers) (Latest Update 2026) UPDATE!!

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Terms in this set (259)



How many 400 W fixtures could be 3
installed on a 120 V 15amp circuit?
A. 3
B. 5
C. 6
D. 8


Ten 1200 W lightning fixtures are 43
connected on a 277 V system. How
many amps might the circuit draw?
A. 23
B. 60
C. 43
D. 54




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A toaster is listed as 1560 W. When it 13
is plugged into a 120 V circuit and
starts to make toast, how many
amperes will it draw?
A. 1,440
B. 1,680
C. 13
D. 187,200


You have been asked to add a 4200 277 V
W lighting fixture to a 20 amp
lighting circuit. What is the voltage
needed to comply with the NEC?
A. 120 V
B. 240 V
C. 277 V
D. none of the above


An electric circuit has a resistance of 120
20 Ohms. The current is measured to
be 6 A. How many volts are applied
to the circuit?
A. 3 1/3
B. 14
C. 26
D. 120


An electric motor is running on 120 V. 60
The current is measured to be 2 A.
How many ohms of resistance is the
motor?
A. 60
B. 118
C. 122
D. 240

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An electrical circuit has a voltage of
50 V and a resistance of 5 Ohms.
What is the value of current?
A. 10 A
B. 45 A
C. 55 A
D. 250 A


A series circuit is a circuit that has Current
only one path for _____ flow.
A. Voltage
B. Current
C. Power
D. Resistance


In a series circuit with two resistors, Sum
the total resistance is equal to the
_____ of the two resistors.
A. Difference
B. Product over the sum
C. Sum
D. Quotient


A series circuit has a total resistance 0.667 A
of 180 Ohms and an applied voltage
of 120 V. What is the current flow?
A. 300 A
B. 1.5 A
C. 60 A
D. 0.667 A




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The two resistors in a series circuit 85 V
have voltages of 25 V and 60 V. The
applied voltage is _____.
A. 35 V
B. 85 V
C. 25 V
D. 60 V


A series circuit has two resistors. The 25 W
resistors dissipate 10 W and 15 W.
What is the total power dissipation of
the circuit?
A. 10 W
B. 5 W
C. 25 W
D. 15 W


A three-resistor circuit has a total 10 W
power of 25 W. Two of the resistors
dissipate 10 W and 5 W respectively.
How much power does the third
resistor dissipate?
A. 25 W
B. 10 W
C. 2 W
D. 15 W


Circuits that have more than one Parallel
path for current flow are _____ circuits.
A. Parallel
B. Series
C. Combination
D. Short




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