A 15-ampere, 120-volt branch circuit is supplying a countertop microwave oven. What is the minimum size of the overcurrent protection required for this circuit?
- A10-ampere
- 15-ampere
- C20-ampere
- D25-ampere
Exam tip
Always check the specific requirements for overcurrent protection for countertop appliances.
Why B is correct
According to 210.11(A), the overcurrent protection for a countertop microwave oven must be not less than 15 amperes. The 10-ampere and 25-ampere options are insufficient, and the 20-ampere option is not required.