(1) A smoke alarm installed under this Division is to be functioning and is to comply with the requirements of AS 3786.(2) Despite the requirements of AS 3786, a smoke alarm that is required under clause 186A to be installed in a class 1b, class 3 or class 9a building is to be powered:(a) from the mains electricity supply, or(b) by a non-removable battery with a minimum life expectancy of 10 years that is connected to the smoke alarm.(3) Despite any other provision of this Division, a heat alarm may be used in the place of a smoke alarm in any kitchen or other area where it is likely to be inappropriately activated.(4) In this clause:
AS 3786 means AS 3786—1993, Smoke alarms as in force from time to time.(5) A functioning smoke alarm installed in a class 1a or class 2 building, a relocatable home or a class 4 part of a building before the commencement of this clause is taken to comply with the requirements of this clause until such time as the alarm is removed or ceases to function.