Which NEC article pertains to Air-Conditioning and Refrigerating Equipment?

The article that pertains specifically to Air-Conditioning and Refrigerating Equipment is Article 440. This section of the National Electrical Code (NEC) addresses the requirements for the installation of electrical equipment related to air conditioning and refrigeration systems, which can include both the machinery and the necessary control and power circuits.

Article 440 covers essential topics such as motor ratings, branch circuit conductors, disconnecting means, and overcurrent protection, all of which are vital for ensuring that air conditioning and refrigerating equipment operates safely and efficiently. This article provides guidelines that help prevent hazards associated with these systems, including electrical overloads and potential fire risks.

Understanding this article is critical for professionals working in the HVAC (Heating, Ventilation, and Air Conditioning) field, as adherence to these guidelines is necessary for compliance with the NEC and for maintaining safe and efficient operation of air conditioning and refrigeration systems.