What type of equipment is included in Article 665?

Article 665 of the National Electrical Code specifically addresses the requirements for induction and dielectric heating equipment. This type of equipment operates using electromagnetic fields to heat materials through induction, or by using dielectric properties of materials for heating, without direct contact with a heating element.

Understanding Article 665 is crucial for safely installing and maintaining this equipment because it provides guidance on aspects such as grounding, bonding, and circuit protection that are essential for these high-frequency devices which can present unique electrical hazards.

The other options, while also pertinent to electrical safety and installation, fall under different NEC articles and are not covered by Article 665. For instance, electric welders have their requirements outlined in a separate article, and information technology equipment is covered under another set of standards. Pipe organs, though they involve electrical components, do not fall under the provisions set forth in Article 665 either. Focusing on Article 665 clearly identifies the scope and critical safety considerations that apply specifically to induction and dielectric heating equipment.