The first two are true in some cases, but not in most buildings.
Some others I’ve seen:
The horn on a pull station cover is the fire alarm
The notification appliances are the detectors & will set the system off if smoke drifts near one
The first two are true in some cases, but not in most buildings.
Some others I’ve seen:
The horn on a pull station cover is the fire alarm
The notification appliances are the detectors & will set the system off if smoke drifts near one