NEC Article 400 primarily focuses on what type of electrical component?

NEC Article 400 specifically addresses the requirements and guidelines for flexible cords and cables used in electrical installations. This article outlines the permissible uses, construction standards, and installation practices for these types of wiring, which are essential for connecting various electrical devices. Flexible cords and cables are designed to provide mobility and flexibility, making them ideal for temporary setups or in applications where fixed wiring is impractical. The details in this article ensure that such components are safely utilized in various environments, considering factors like current-carrying capacity, environmental conditions, and mechanical protection. Understanding Article 400 is crucial for ensuring compliance with safety and performance standards when using flexible wiring solutions.