Understanding NEC Article 820

Understanding NEC Article 820: Community Antenna Television (CATV) and Radio Distribution Systems NEC Article 820 provides the requirements for the installation and protection of coaxial cable systems used in community antenna television (CATV) and radio distribution systems. These systems transmit radio frequency signals for television, radio, and security camera applications. Scope of Article 820 This […]

Read More

Understanding NEC Article 805

Understanding NEC Article 805: Communications Circuits NEC Article 805 focuses on the installation and protection of communications circuits and equipment. These systems form the backbone of communication networks in residential, commercial, and industrial settings, supporting voice, video, and data transmission. Scope of Article 805 This article applies to: Exclusions: Article 805 does not cover the […]

Read More