What is the primary subject of Article 230 in the NEC?

Article 230 of the National Electrical Code (NEC) specifically addresses the requirements for electrical services, which encompass the provision of electricity from the utility company to the structure. This article outlines essential aspects such as service entrance conductors, service equipment, and the overall arrangement of electrical service installations. It ensures safety and compliance with regulations governing how electrical power is supplied to buildings, including necessary considerations for capacity, equipment ratings, and disconnecting means.

Understanding this article is crucial for electricians and electrical contractors, as it dictates how to properly connect and maintain the service that powers residential, commercial, and industrial facilities. Familiarity with the rules in Article 230 helps ensure that installation meets both the safety standards and the functional needs of the electrical system in service applications.