This is primarily related to alarms that work on 9volt batteries, not hard wired alarms. The intent of the new Smoke Alarm Law was to transition away from smoke alarms with 9v batteries and to achieve as much reliable smoke alarm coverage as possible in older dwellings. Smoke alarm technology has advanced over the years and the updates to Maryland’s Smoke Alarm Law are part of a nationwide trend
to ensure new and replacement smoke alarms have the most effective technology available.
to ensure new and replacement smoke alarms have the most effective technology available.
here are links for PG …please check your local county laws
https://www.princegeorgescountymd.gov/DocumentCenter/Home/View/3644
and Montgomery
http://www.montgomerycountymd.gov/MCFRS/Resources/Files/misc/Smoke_Alarm_Law_101.pdf
please check your local county laws
https://www.princegeorgescountymd.gov/DocumentCenter/Home/View/3644
and Montgomery
http://www.montgomerycountymd.gov/MCFRS/Resources/Files/misc/Smoke_Alarm_Law_101.pdf
please check your local county laws