Journeyman Electrician Practice Test-35
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Free Practice test on Journeyman Electrician Exam.
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Question 1 of 10
1. Question
What is the maximum overall length of the power supply cord for mobile homes?
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Refer : NEC 550.10(D)
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Question 2 of 10
2. Question
For circuits and equipment operating at less than 50 volts, the receptacle rating shall be less than ……………..
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Refer : NEC 720.6
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Question 3 of 10
3. Question
Which of the following position the circuit breaker enclosures must be mounted?
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Question 4 of 10
4. Question
What is the minimum receptacle outlet rating for lighting other than general illumination?
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Question 5 of 10
5. Question
What is the corrected ampacity of a 1/0 THWN conductor in wet location, if the ambient temperature of location is 400 C?
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Ampere rating of NO 1/0 THWN conductor = 150 amperes ( 75 0 C wet location) — NEC Table 310.15 (B)(16)
Temperature Correction factor for 400C – 750C = 0.88 ( NEC Table 310.15 (B)(2))
Corrected ampacity = 0.88 * 150 = 132 Amperes
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Question 6 of 10
6. Question
Under certain conditions equipment grounding conductors are considered as current carrying conductors.
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Refer : NEC 310.15 (B)(5)
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Question 7 of 10
7. Question
How many minimum number of branch circuits are required for dwelling unit laundry receptacle outlet?
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Question 8 of 10
8. Question
Emergency power supplies should supply power within …….. seconds after the interruption of normal power supply.
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Refer : NEC 700.12
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Question 9 of 10
9. Question
Which of the following is the smallest size wire permitted for a feeder circuit?
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Question 10 of 10
10. Question
What is the unit load in volt ampere per square foot for a hotel?
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Refer : NEC table 220.12