What does Article 820 emphasize in its regulations?

Article 820 of the National Electrical Code focuses on signal distribution, particularly for radio and television equipment. This article provides guidelines related to the installation, maintenance, and safety of communication systems that distribute radio and television signals. The emphasis is on ensuring that the wiring and components used for these systems maintain signal integrity while minimizing the potential for interference and hazards.

This focus on signal distribution is crucial because proper installation practices can prevent signal degradation and ensure that devices operate effectively. The article details requirements for cable types, grounding, and bonding to ensure a safe and reliable distribution system. Such standards are vital in modern infrastructure, where communication technology is increasingly integrated into everyday life, making compliance with these regulations essential for both functionality and safety.

In contrast, while electrical safety in commercial buildings, installation of underground cables, and maintenance of broadcasting equipment are all important topics within the broader context of electrical work, they do not represent the specific focus of Article 820, which distinctly centers on the nuances of signal distribution systems.