Which article discusses guidelines related to Motors, Motor Circuits, and Controllers?

Article 430 of the National Electrical Code (NEC) specifically outlines the requirements and guidelines related to motors, motor circuits, and controllers. This article is crucial for ensuring safe installation and operation of electric motors, addressing aspects such as motor branch circuits, overload protection, disconnecting means, and motor control devices.

Understanding Article 430 is vital for electricians and engineers because it provides detailed information on how to properly select, install, and maintain motors in various applications. This ensures that motors are used within their rated capacities and protects against conditions that could lead to overheating or failure.

While other articles, such as 408, 422, and 440, also cover electrical equipment and systems, their focus is on different aspects. Article 408 deals with switchboards and panelboards, Article 422 focuses on household cooking appliances and their circuits, and Article 440 addresses the specifics of hermetic refrigerant motor-compressors. Therefore, for guidelines specifically related to motors and their associated circuits and control systems, Article 430 is the definitive source within the NEC.