This article, produced by the Communications Cable and Connectivity Association (CCCA), is intended to provide the reader with a guide to the key changes in the 2023 National Electrical Code that are of interest to manufacturers, installers, distributors and users of Class 1, 2 . This article, produced by the Communications Cable and Connectivity Association (CCCA), is intended to provide the reader with a guide to the key changes in the 2023 National Electrical Code that are of interest to manufacturers, installers, distributors and users of Class 1, 2 . gnaling, and communications. This article also contains the installation requirements for optical fiber raceways, as well as the requirements for composite optical fiber cables that com-bine optical fibers with uide or installation manual. Thus, Article 770 doesn't deal with the perfor ance of. Chapter 8 had five Articles. The 2020 edition of the NEC introduced a new Article into Chapter 8, Article 800, General Requirements for Communications Systems and renumbered the previous Article 800, Communica ions Circuits as Article 805. Here are some highlights from Part IV of Article 770. The Code Making Panels (CMPs), composed of volunteers with full-time jobs, struggle to standardize and clarify terminology. Optical fiber cables are now required to be installed and protected from physical damage in accordance with the entirety of 300. 24 Mechanical Execution of Work. Optical fiber cables shall be installed in a neat and workmanlike manner.