Standard for Communications-Circuit Accessories
|Publication Date:||13 November 2012|
1.1 These requirements cover telecommunications-c
1.2 These devices are intended to be used in telecommunications networks that have an operating root-mean-square (rms) voltage to ground less than 150 volts and installed or used in accordance with the National Electrical Code, ANSI/NFPA 70.
1.3 These requirements do not cover telephone equipment such as telephone answering devices, residential telephone instruments, telephone dialers, cordless phones, key systems, and private-branch exchange equipment that is covered by the Standard for Information Technology Equipment - Safety - Part I: General Requirements, UL 60950-1, or the Standard for Audio/Video, Information and Communication Technology Equipment - Part 1: Safety Requirements, UL 62368-1. Also, these requirements do not cover:
- a) Telephone protectors that are covered by the Standard for Protectors for Paired-Conductor Communications Circuits, UL 497, and
- b) Secondary protectors that are covered by the Standard for Secondary Protectors for Communications Circuits, UL 497A.
- c) Information Technology and Communications Equipment Cabinets, Enclosure and Rack Systems are investigated to the Standard for Information Technology Equipment - Safety - Part 1, UL 60950-1 or Audio/Video, Information and Communication Technology Equipment - Part 1: Safety Requirements, UL 62368-1.
1.4 These requirements do not cover receiver/transmitter
1.5 These requirements may be used, directly or by reference, to investigate portions of other equipment, not classified as telecommunications-e
1.6 These requirements do not cover wires and cables intended to be permanently installed in a building in accordance with Article 800 of the National Electrical Code, ANSI/NFPA 70.