What type of circuit must be installed in residential kitchens according to current NEC guidelines?

The correct approach for circuit installation in residential kitchens, as per current NEC guidelines, mandates the use of 20-amp GFCI circuits for all outlets. This requirement is in place to enhance safety in areas where the risk of electrical shock is heightened due to the proximity of water. GFCI, or Ground Fault Circuit Interrupter, functionality helps to protect individuals from electrical shock by quickly cutting off the electrical current if a ground fault is detected.

Kitchens are particularly prone to moisture from sinks, dishwashers, and cooking processes, making GFCI protection essential. The 20-amp rating ensures that there is sufficient current capacity to handle multiple appliances and devices commonly used in kitchen settings, such as microwaves, toasters, and other small appliances.

Other options do not comply with NEC regulations for kitchen circuits, which emphasize both safety and functionality. For instance, 15-amp non-GFCI circuits do not provide adequate protection in a kitchen environment, while simply using any circuit without specifications does not meet the specific safety requirements outlined by the NEC. Finally, relying solely on 30-amp circuits for large appliances does not encompass the safety needs for general outlets throughout the kitchen space.