---
id:
aliases: []
tags:
  - authorship/original
  - destiny/permanent
  - topic/construction/electrical
  - status/incomplete
  - type/encyclopedia
title: Emergency Communications Systems (ECS)
---
# Emergency Communications Systems (ECS)

## 2-Way vs. AoR

Area of Refuge is defined in [[nfpa-101_life-safety-code|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 and Signaling Code]].

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