The above information is intended as general guidance only as of May 2014; it does not constitute or supersede professional legal advice. For complete and up-to-date information you must refer to the smoke alarm legislation applicable in your State or Territory and to your State-based fire brigade.
✔* Northern Territory legislation specifically states that smoke alarms must be
(1) Photoelectric 240V hardwired/mains powered OR
(2) Photoelectric with 10 year sealed lithium battery.
1. 'After' refers to homes built or renovated after the "year" stated.
2. 'Before' refers to homes built or renovated before the "year" stated.