Depending on when your home was built, the location and type of smoke alarm required may be different. The following are the minimum requirements but you are encouraged to place additional alarms within your home.
Homes after 07/01/1990 must have hard wire (electric) smoke alarms with battery back up on each level of the home including the basement but excluding the attic. The detectors must be interconnected so that if one activates, the other alarms also sound. Alarms must be placed in each sleeping area. Sleeping area means the area in or just outside of the bedroom doors or sleeping area.
Homes built between 01/01/1989 – 07/01/1990 must have hard wire (electric) smoke alarms on each level of the home including the basement but excluding the attic. The alarms must be interconnected so that if one activates, the other alarms also activate. Alarms must be placed in each sleeping area. Sleeping area means the area in or just outside of the bedroom doors or sleeping area.
Homes built between 07/01/1975 - 12/31/1988 must have a hard wire (electric) smoke alarm in each sleeping area. Sleeping area means the area in or just outside of the bedroom doors or sleeping area.
Homes built prior to July 1, 1975 must have a smoke alarm in each sleeping area. Sleeping area means the area in or just outside of the bedroom doors or sleeping area. The smoke alarm can be a battery type or hard wire (electric).