A 30-ampere branch circuit is being installed to serve a clothes dryer. What is the minimum size of the overcurrent protection device required for this circuit?
- A15-ampere
- B20-ampere
- C30-ampere
- 40-ampere
Exam tip
Ensure that the overcurrent protection device matches the rating of the branch circuit for appliances.
Why D is correct
According to 2024 IRC 210.11(B), the overcurrent protection device for a clothes dryer circuit must be no less than the rating of the branch circuit. Since the branch circuit is 30-ampere, the protection device must also be 30-ampere.