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3.3.59 Communications Circuit
Related Code Sections
3.3.59 Definitions, Communications Circuit
Any signaling path of an emergency communications system that carries voice, audio, data, or other signals. (SIG-ECS) ...
National Fire Alarm and Signaling Code 2019 of Maine > 3 Definitions > 3.3 General Definitions > 3.3.59 Communications Circuit
Article 800 Communications Systems, Communications Circuits
article covers communications circuits and equipment. Informational Note No. 1: See 90.2(B)(4) for installations ...
(F) Communications Systems, Communications Circuits
The requirements of Article 800 shall apply ...
National Electrical Code 2017 of Maine > 8 Communications Systems > 820 Community Antenna Television and Radio Distribution Systems > 820.3 Other Articles > (F) Communications Circuits
(1) Special Conditions, Classified as Communications Circuits
Class 2 and Class 3 circuit conductors shall be permitted in the same cable with communications circuits, in which case the Class 2 and Class 3 ...
National Electrical Code 2017 of Maine > 7 Special Conditions > 725 Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits > 725.139 Installation of Conductors of Different Circuits in the Same Cable, Enclosure, Cable Tray, Raceway, or Cable Routing Assembly > (D) Class 2 and Class 3 Circuits With Communications Circuits > (1) Classified as Communications Circuits
(B) Communications Systems, Communications Circuit Grounding
Communications circuits shall not be required to be grounded ...
National Electrical Code 2017 of Maine > 8 Communications Systems > 840 Premises-Powered Broadband Communications Systems > 840.101 Premises Circuits Not Leaving the Building > (B) Communications Circuit Grounding