Installing a hard wired smoke detector ... turn off the power at the breaker panel. Use an electrical tester to verify the ...

As a residential carpenter, I've installed plenty of hardwired and battery-powered smoke detectors over the ... down like in the event of a power outage, the Nest Protect will continue to work ...

On April 3, Nest Labs halted sales of the Nest Protect smoke and CO alarm and deactivated the hush feature, called the Nest Wave, over concerns that the alarm could be unintentionally deactivated.