Smoke, Fire & Gas Detection FAQs
Do all my mains powered RF alarms need to connect to the power supply?
Yes, all
mains powered radio frequency smoke alarms need connecting to the power supply.
If you are retrofitting your RF alarms the electricity supply can be taken from the nearest light fitting. In new builds, the electrician will create a dedicated electrical circuit for the alarms.
If your
mains powered smoke alarms are not radio-interlinked you will also need to connect your alarms with a signal wire.
View all smoke, fire & gas detection FAQs
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Reviewed: 14/09/2023 (doc:536 V1.0). Our articles are reviewed regularly. However, any changes made to standards or legislation following the review date will not have been considered. Please note that we provide abridged, easy-to-understand guidance. To make detailed decisions about your fire safety provisions, you might require further advice or need to consult the full standards and legislation.