Question 4045 of 938 · Maryland Journeyperson Electrician Exam
Under the NEC 2020 and 2023, when an existing dwelling bedroom circuit is extended, a listed outlet branch-circuit AFCI may be used. Where must it be located?
Exactly one answer is correct.
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Correct answer to question 4045
- C: At the first receptacle outlet of the existing branch circuit
Explanation
In the 2020 and 2023 editions, 210.12 permitted a listed outlet branch-circuit AFCI located at the first receptacle outlet of the existing branch circuit as one option for extensions. A combination-type AFCI breaker at the origin of the circuit is the other common option.
More questions: Branch Circuits, GFCI and AFCI
- 4047Which AFCI device installed at the origin of a branch circuit provides protection of the entire branch circuit?
- 4048A dwelling unit fire alarm system is supplied by an individual branch circuit run in metal raceway in accordance with Article 760. Is AFCI protection required for this circuit?
- 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?