Skip Nav Bill’s Quality Electric, LLC shares some vitally important information on smoke alarms such as what types are available, how they are powered, where they should be installed and how to maintain them for your optimum electrical and fire safety. Understanding how smoke alarms work and how you can keep them in good working order is important as a homeowner so you are in the know. Be sure to equip your home with smoke alarms to keep you electrically and fire safe! Special Thanks to the U.S. Fire Administration for the article, Learn about Smoke Alarms. 