SS 546:2022 (Redline)

Code of practice for emergency voice communication systems in buildings


This standard applies to the planning, design, installation, maintenance and testing of emergency voice communication (EVC) systems in buildings. It sets out the requirements for the basic system. Recommended procedures for the use of the system and other information of an advisory nature are given in the Annexes.


Redline version of the document shows changes from the previous edition marked in colour. With the Redline you can quickly spot changed sections and tell specifically what has been changed from the previous edition, saving time and avoiding confusion.


Status Current
Edition 2022 (Redline)
No. of Pages 60
ICS Classification 13.320 Alarm and warning systems
91.120 Protection of and in buildings
Committee Electrical and Electronic Standards Committee
Available for Purchase Global
Adoption -