Follow these steps for easy and safe installation.

Q: I have several 10-year-old FireX hardwired smoke alarms in my home that I'd like to replace. The model has been discontinued and the adapter plug at the end of the wiring harness doesn't seem to ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...