Journeyman Electrician Practice Test36
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Free Online Practice Test On Journeyman Electrician Exam35
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Question 1 of 10
1. Question
1 pointsWhat is the minimum percentage rated voltage that a storage battery should supply the emergency load?
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Question 2 of 10
2. Question
1 pointsPanel boards are not intended to install in a cabinet.
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Refer: NEC 408

Question 3 of 10
3. Question
1 pointsWhat is the maximum operating RMS voltage of a low voltage lighting system?
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Refer : NEC 411.2

Question 4 of 10
4. Question
1 pointsWhat is overall efficiency of a 4 hp motor that draws 15 amperes at 240 volts?
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Input = 240 * 15 = 3600 watts
Output = 4 * 746 = 2984 watts
Efficiency = 2984 / 3600 = 0.8288 = 83% 
Question 5 of 10
5. Question
1 pointsWhat is the minimum clearance of service drops over public streets, roads parking areas subject to truck traffic?
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Refer : NEC 230.24

Question 6 of 10
6. Question
1 pointsWhich of the following instrument is used to measure the current flow in the circuit?
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Question 7 of 10
7. Question
1 pointsWhat is the minimum size of lighting track conductors?
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Refer : NEC 410.115

Question 8 of 10
8. Question
1 pointsWithout applying any derating factor for conductor current carrying capacity, how many conductors can run parallel in raceway or cable?
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Refer : (NEC table 310.15(B)(3)(a))

Question 9 of 10
9. Question
1 pointsWhich of the following is the measurement unit of circuit resistance?
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Question 10 of 10
10. Question
1 pointsWhich of the following is the maximum number of receptacles that can be on a 20 ampere branch circuit operated at 120 volts?
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Branch Circuit Power = 120 * 20 = 2400 VA
Minimum Power raring of receptacle = 180 VA
Number of receptacles = 2400 / 180 = 13 receptacles