Question 1: <span style="font-size: 14pt;">The maximum size of FMC that can be used is which of the following?</span>
- 2 inches
- 4 inches
- 6 inches
- 1/2 inch
NEC Reference: NEC 348.20(b)
JOURNEYMAN
NEC 2023
Journeyman Electrician Practice Test 26
Take a free online practice tests on journeyman electrician exam which includes NEC Code Questions.
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journeyman electrician
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Most state Journeyman exams have 80–100 questions covering NEC code, wiring methods, branch circuits, motor controls, and load calculations.
Most states require a 70–75% passing score. This practice test uses the same 70% pass threshold so you know where you stand.
Questions are written to the 2023 NEC. Check your state licensing board to confirm which edition your state has adopted.
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TimeJourneyman Electrician Practice Test 26 — Question List
Question 2: <span style="font-size: 14pt;">The Transformer secondary is protected with GFCI which is connected to impedance heating elements. What is the maximum secondary voltage?</span>
- 30 volts
- 80 volts
- 50 volts
- 60 volts
NEC Reference: NEC 424.32
Question 3: <span style="font-size: 14pt;">A single phase motor 5 HP, 230 volts motor has a full load current of 50 amperes, What is its full load conductor ampacity in amperes?</span>
- 62.5 amperes
- 75 amperes
- 57.5 amperes
- 50 amperes
NEC Reference: NEC 430.22
Question 4: In which of the following devices the delta breakers cannot be installed?
- Panel boards
- Conduit boxes
- metal boxes
- Enclosures
NEC Reference: NEC 408.36
Question 5: <span style="font-size: 14pt;">A 120 volt 30 amp branch circuit supplies cord and attachment type air-conditioner, which of the following is the maximum full load current of an air-conditioner?</span>
- 15 amperes
- 24 amperes
- 30 amperes
- 20 amperes
NEC Reference: NEC 440.52
Question 6: When a supply voltage to the induction motor decreases the slip of the motor decreases.
- True
- False
Question 7: A feeder assembly shall not be required for manufactured homes constructed with power supply cord attached with the distribution panel board.
- True
- False
NEC Reference: NEC 550.10
Question 8: Synchronous motors are widely used in industries compared to induction motors.
- True
- False
Question 9: If 6 mobile homes are connected to a single feeder what is the demand factor that shall be used in calculating the load?
- 29 %
- 33 %
- 28%
- 35%
NEC Reference: NEC 550.31
Question 10: A 100 watt light in dwelling unit is on for 4 hours, if the cost of electricity is $1 per 1kwh then which of the following is the total cost of electricity that the light consumed?
- $ 4
- $ 0.4
- $ 0.1
- $ 0.5
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