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Journeyman Electrician Exam (NEC-based)

Branch circuits and receptacles: practice questions

Our Journeyman Electrician bank has 24 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1

What is required for a multiwire branch circuit's disconnecting means?

  1. Nothing
  2. A neutral switch
  3. Separate unconnected breakers
  4. A means to simultaneously disconnect all ungrounded conductors, such as a two-pole breaker or handle tie
Show the answer

D. A means to simultaneously disconnect all ungrounded conductors, such as a two-pole breaker or handle tie — This prevents someone from working on a live shared neutral.

Question 2

How many 20-amp small-appliance branch circuits are required for a dwelling kitchen?

  1. None
  2. One
  3. At least three
  4. At least two
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D. At least two — They serve countertop and other kitchen receptacles.

Question 3

How many receptacle outlets are required in a dwelling hallway 10 feet or longer?

  1. One per 4 feet
  2. Two
  3. None
  4. At least one
Show the answer

D. At least one — See 210.52(H).

Question 4

Which dwelling areas require AFCI protection for 120-volt, 15- and 20-amp branch circuits?

  1. Only bathrooms
  2. Only garages
  3. Bedrooms, living rooms, kitchens, family rooms, hallways, closets and similar rooms
  4. Only outdoors
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C. Bedrooms, living rooms, kitchens, family rooms, hallways, closets and similar rooms — See 210.12(A).

Question 5

Where are tamper-resistant receptacles required?

  1. Nowhere
  2. Only outdoors
  3. In dwelling units for most 125- and 250-volt, 15- and 20-amp receptacles
  4. Only in commercial kitchens
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C. In dwelling units for most 125- and 250-volt, 15- and 20-amp receptacles — See 406.12; there are exceptions such as receptacles over 5½ feet high.

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