Forever and a day i have been telling clients im not mounting the alarm panel in the ceiling because its against regulation / AS.
Now i have been challenged by a client to present said regulation as they are keen to install door controllers in ceiling cavity.

Was the regulation im thinking of, due to the fact that the Mode 3 was not allowed to be in the ceiling hence the alarm panel was not to be installed in the ceiling?

After googling for 1hour i cant find an answer



Thanks in advance
Tim