You are right in the reading of the question DRWeig-- I wasn't suggesting it didn't need cable! It is the supervision I was questioning-- and it seems that no matter what the cabling and speakers need to be supervised-- which is in line with advice that was given today. Thanks for the responses.
Does a speaker used as notification appliance for a fire alarm system and forming part of an emergency voice notification system need to have cabling between speaker and local amplifier (less than 10m) and the speaker monitored. Does it need to report trouble alarms, even if the speaker is one...
