NECA advises members that the Building Code now says that when installing multiple smoke detectors they have to be interconnected from 1 May 2014.
The provisions for interconnecting smoke alarms are contained under part 3.7.2 2 (d) page 311 under Volume 2 of the National Construction Code (BCA Volume 2) Class 1 & 10 buildings & Specifications E2.2 (a) 3 (c) & 9d) of Volume 1... MORE