Fasten the new smoke detector mounting plate to the remodeling box with a screwdriver. Strip 3/4-inch of insulation from the ends of the wires. Use wire nuts to connect the stripped NM cable wires ...

The First Alert Smart Smoke & Carbon Monoxide (CO) Alarm is a replacement model that also works with existing Protects. We’ve added details in What to look forward to. We have begun testing new ...

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.