Which article covers specifications for the installation of radio transmission equipment?

The correct answer focuses on Article 810, which specifically addresses the installation of radio transmission equipment. This article lays out the requirements for various elements related to radio communication systems, including antennas, cabling, grounding, and bonding practices to ensure safety and performance.

Understanding the context of Article 810 is essential. This article is typically concerned with the safety, operational integrity, and compliance of radio systems used for communication, which are vital in both commercial and emergency contexts. It includes guidelines that ensure these installations do not pose risks of fire or electric shock and comply with FCC regulations, contributing to effective transmission without interference.

In contrast, the other articles mentioned—such as Article 840 (covering data and control circuits), Article 820 (focused on community antennas and television receiving systems), and Article 830 (which deals with the installation of voice/data systems)—do not specifically encompass the standards and requirements for radio transmission equipment. Each of these articles has distinct purposes and applicability, which reinforces why Article 810 is the appropriate reference for radio transmission installations.