Step 6: Power up and test your smoke detector. Battery-powered units are ready to go. If you had to shut the power off for a ...

Installing a hard wired smoke detector ... Otherwise, “replace your smoke detectors every 10 years,” Nikolin says. “They usually have an expiration date on the back.” ...

The best smoke detectors quickly and reliably detect fire and carbon monoxide to alert you to potential danger. As a residential carpenter, I've installed plenty of hardwired and battery-powered ...