Thumbs are another component of the fire alarm system.
The thumb consists of a micro-switch that is disconnected in the usual mode and is broken by the glass on it, or the key is pressed on it in the event of a fire, and the siren sounds.
The seat of the washers It should be located on the outlet of the building, accessible and accessible, so that people do not approach the fire exits to fire the fire alarm system.
Direction of the installation is 30 meters and the installation height is 1 / 4 meters from the floor. On the shoulders, the word Fire is written and is red.