Wired or radio link smoke detectors

Question

I’m having a loft conversion done and to comply with building control you have either replace all the internal doors to fire doors or have a smoke detector in each room. I’m thinking of going with the smoke detectors in each room. My question is what’s the difference between the hardwired detectors and the radio link ones and also which one can I tap the wire into the existing light fixture and run trunking to the smoke detector.

Karlile · Answer

Hi 
The hard wired detectors are more reliable and are linked to your wiring system 
But your radio linked ones communicate wirelessly 
Smoke detectors need a permanent live so your lights won’t give that

Wired or radio link smoke detectors

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