This alarm circuit was designed to monitor a mains-powered smoke detector located in a shed (which is used to house dog kennels). It provides complete isolation from the mains so that low-voltage (12V ...

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We put smoke alarms and heat alarms through rigorous tests in accordance with the British Standard to find the best and safest for your home. Smoke alarms need to sound quickly when they detect smoke ...

Geoff Wilkinson looks at the requirements in the Building Regulations for installing smoke detection in dwellings The introduction of the requirement for mains-wired ...