Which article specifically covers premises-powered broadband communications systems?

The correct answer is B, as Article 840 specifically addresses premises-powered broadband communications systems. This article lays out the requirements and standards that govern the installation and maintenance of low-voltage communication systems, including aspects such as wiring methods, equipment, and signal processing.

Article 840 focuses on the infrastructure that supports broadband services within buildings, ensuring that the systems operate safely and effectively. It helps contractors and technicians understand the necessary specifications and best practices when installing communication systems that rely on premises power to function properly.

Understanding this article is crucial for anyone working on low voltage communication systems, as compliance with these standards ensures the reliability and safety of broadband communication networks within premises.