What does Article 408 in the NEC address?

Article 408 of the National Electrical Code (NEC) specifically addresses Switchboards, Switchgear, and Panelboards. This article outlines the requirements for the installation, construction, and safety of these electrical distribution equipment types. It is essential for ensuring that these components not only provide reliable performance but also comply with safety standards to protect both people and property.

Understanding the provisions outlined in Article 408 is crucial for electrical contractors, as it ensures that they meet legal requirements and maintain high safety standards in electrical installations. Factors such as labeling, access, and adequacy of construction materials are all governed by this article, ensuring that switchboards, switchgear, and panelboards can safely distribute electrical energy in various applications.

While busways, feeders, and surge protective devices are important components of electrical systems, they fall under different articles in the NEC. Busways are addressed in Article 368, feeders have their own set of guidelines in Article 215, and surge protective devices can be found in Article 280. Each article serves a specific purpose within the code, ensuring comprehensive coverage for different types of electrical installations.