Question 4047 of 749 · Maryland Journeyperson Electrician Exam
Which AFCI device installed at the origin of a branch circuit provides protection of the entire branch circuit?
Exactly one answer is correct.
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Correct answer to question 4047
- C: A listed combination-type AFCI
Explanation
210.12 recognizes a listed combination-type AFCI installed to protect the entire branch circuit as the primary method. Outlet branch-circuit AFCIs protect only downstream wiring unless the home run meets specific conditions.
More questions: Branch Circuits, GFCI and AFCI
- 4049What is the minimum number of 20-ampere small-appliance branch circuits required for receptacle outlets in a dwelling kitchen, pantry, breakfast room and dining room?
- 4050Which of the following is permitted to be supplied by a dwelling small-appliance branch circuit?
- 4051How may the receptacle outlet for a dwelling kitchen refrigerator be supplied?
- 4052What branch circuit is required in a dwelling unit to supply the laundry receptacle outlets?
- 4053A single 20-ampere branch circuit supplies receptacle outlets in all three bathrooms of a house. What else may this circuit supply?
- 4054A 20-ampere branch circuit supplies only one bathroom of a dwelling. Which of the following may it also supply?