Which NEC article covers communications circuits?

The correct choice regarding communications circuits is Article 805. This article specifically addresses the installation and maintenance of communication cables and circuits, which includes telephone, data, and other forms of communication systems. Article 805 provides guidance on properly managing and securing these circuits to ensure safety and reliability in their operation, covering aspects such as cable types, installation methods, and grounding requirements.

Each National Electrical Code (NEC) article serves a unique purpose, and understanding which article pertains to a specific type of circuit is crucial for compliance and safety in electrical installations. Articles 500, 605, and 770 cover different areas; for example, Article 500 deals with classification of hazardous locations, Article 605 pertains to the installation of audio, and video systems, while Article 770 covers optical fiber cables. Therefore, Article 805 is the designated section that focuses specifically on communications circuits, making it the correct answer.