Journeyman Electrician Practice Test 35

Question 1: What is the maximum overall length of the power supply cord for mobile homes?

• 36 1/2 feet
• 21 feet
• 28 1/2 feet
• 20 feet

NEC Reference: NEC 550.10(D)

Question 2: For circuits and equipment operating at less than 50 volts, the receptacle rating shall be less than ……………..

• 15 amperes
• 10 amperes
• 20 amperes
• 5 amperes

NEC Reference: NEC 720.6

Question 3: Which of the following position the circuit breaker enclosures must be mounted?

• verticle
• horizontal

Question 4: What is the minimum receptacle outlet rating for lighting other than general illumination?

• 180 VA
• 320 VA
• 120 VA
• 240 VA

Question 5: What is the corrected ampacity of a 1/0 THWN conductor in wet location, if the ambient temperature of location is 40⁰ C?

• 123 Amperes
• 132 Amperes
• 150 Amperes
• 141 Amperes

NEC Reference: NEC 310.15(B)(16)

Question 6: Under certain conditions equipment grounding conductors are considered as current carrying conductors.

• True
• False

NEC Reference: NEC 310.15(B)(5)

Question 7: How many minimum number of branch circuits are required for dwelling unit laundry receptacle outlet?

• one 20 ampere branch circuit
• one 15 ampere branch circuit
• Two 20 ampere branch circuits
• Two 15 ampere branch circuits

Question 8: Emergency power supplies should supply power within ........ seconds after the interruption of normal power supply.

• 30
• 60
• 75
• 45

NEC Reference: NEC 700.12

Question 9: Which of the following is the smallest size wire permitted for a feeder circuit?

• No 10 AWG
• No 8 AWG
• No 12 AWG
• No 14 AWG

Question 10: What is the unit load in volt ampere per square foot for a hotel?

• 3 VA
• 2 VA
• 1 VA
• 5 VA

NEC Reference: NEC 220.12