Smoke Alarms and Heat Alarms — Grade D1, Grade F2, Optical vs Ionisation, and BS 5839-6 for UK Electricians
Smoke alarms and heat alarms are mandatory across UK residential properties under the Smoke and Carbon Monoxide Alarm (England) Regulations 2015 (amended 2022) and BS 5839-6:2019. Choosing the wrong alarm type — fitting a smoke alarm in a kitchen, or...