On 18/03/18 22:27, dennis@home wrote:
On 18/03/2018 21:24, alan_m wrote:
On 18/03/2018 21:12, ss wrote:


In addition, there will be a 10-year age limit for alarms and all
alarms will have to be ceiling-mounted, and should be
interlinked.".........

As they have to be interlinked do they also have to be mains powered?



you can get interlinked battery powered alarms.
The batteries don't last as long or they have two batteries.


They can be bought to last 10 years