NEC Commercial Electrical Practice Test

How many small appliance branch circuits must supply countertop receptacles in residential kitchens?

1. 1

2. 2

3. 3

4. 4

The correct answer is: 2

In residential kitchens, the National Electrical Code (NEC) requires that at least two small appliance branch circuits be provided to supply countertop receptacles. This requirement is in place to ensure that there is sufficient electrical capacity to support multiple countertop appliances simultaneously. The intention is to promote safety by preventing overloading of any single circuit that could lead to potential hazards such as overheating or fire. Small appliance branch circuits are specifically intended for kitchen appliances such as toasters, blenders, and coffee makers, which can draw a significant amount of power. By mandating two circuits, the NEC aims to enhance the convenience of cooking and food preparation while maintaining safe operating conditions. Each circuit must be rated for 20 amps and should be dedicated to the countertop outlets, reinforcing the importance of having enough power where it is most frequently utilized. While it may seem convenient to use a single circuit, relying solely on one could lead to situations where several appliances draw power simultaneously, increasing the risk of tripping breakers or, worse, creating unsafe conditions. Thus, the requirement for at least two circuits reflects the NEC's emphasis on both safety and functionality in a kitchen environment.