A smoke alarm is a crucial safety device that should be featured in every home. Plus, as of 1 January 2022 all domestic premises leased and sold; must have hard-wired interconnected photoelectric smoke alarms installed. And, as of 1 January 2027 all domestic promises; must have hard-wired interconnected photoelectric smoke alarms installed. How do Smoke Alarms Work? … Continue reading How to Test Your Smoke Alarms