NEC Article 210 is a part of the National Electrical Code (NEC) that provides requirements for branch circuits. Branch circuits are the electrical circuits that supply power to outlets, lighting fixtures, and other devices in homes, commercial buildings, and industrial facilities.
Some of the key provisions of NEC Article 210 include:
- Required ampacity: Branch circuits must be sized to safely carry the electrical load of the connected devices. NEC Article 210 specifies the minimum ampacity of branch circuits based on the type of wire used and the expected load.
- Overcurrent protection: Branch circuits must be protected from overcurrent, such as a short circuit or overload, by fuses or circuit breakers.
- Outlets and receptacles: NEC Article 210 specifies the number, type, and location of outlets and receptacles that must be installed on branch circuits in residential and commercial buildings.
- GFCI protection: Ground Fault Circuit Interrupter (GFCI) protection is required for branch circuits that supply power to outlets in certain areas, such as bathrooms, kitchens, and outdoor areas.
- AFCI protection: Arc Fault Circuit Interrupter (AFCI) protection is required for branch circuits that supply power to certain areas, such as bedrooms and living rooms.
NEC Article 210 is an important part of the NEC, as it helps ensure that electrical systems are installed and maintained safely and in compliance with national standards.
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