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id, aliases, tags, title
id aliases tags title
authorship/original
destiny/permanent
topic/construction/electrical
status/incomplete
type/encyclopedia
Emergency Communications Systems (ECS)

Emergency Communications Systems (ECS)

2-Way vs. AoR

Area of Refuge is defined in nfpa-101_life-safety-code.

In NFPA 101 "two-way communication system" is used as generic term, to be installed in accordance with the governing code nfpa-72_national-fire-alarm-code.

nfpa-72_national-fire-alarm-code#Chapter 24 Emergency Communications Systems (ECS)

nfpa-72_national-fire-alarm-code#24.8 Two-Way, In-Building Wired Emergency Services Communications Systems.

nfpa-72_national-fire-alarm-code#24.10 Area of Refuge (Area of Rescue Assistance) Emergency Communications Systems, Stairway Communications Systems, Elevator Landing Communications Systems, and Occupant Evacuation Elevator Lobby Communications Systems.

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