What special provisions does the NEC make for dedicated circuits?

The National Electrical Code (NEC) includes specific provisions for dedicated circuits, which are circuits designed to supply power to a single appliance or load. This is important because dedicated circuits help ensure that specific devices operate reliably and without interference from other appliances that may draw power from the same circuit. For example, appliances such as refrigerators, air conditioners, or electric ranges often require dedicated circuits to handle their high power demands safely.

By requiring that these circuits serve only one type of appliance or load, the NEC helps reduce the risk of overloads, potential tripping of breakers, and can enhance the performance of the appliance by ensuring it receives the necessary voltage and amperage without competing for resources with other devices. This is particularly crucial in residential settings where multiple high-wattage devices may be in use simultaneously. Thus, the provision for dedicated circuits is a safety measure that promotes both safety and effectiveness in electrical installations.