Fire Alarm Line Diagram. Third there is no breaking of. Here you can see the connection of a 2 zone system.
Today the riser is much less detailed as the example below used on over 50 schools in different districts. The circuit produces an audible alarm when the fire breaks out with smoke. The present book is written for.
Its important to understand that the signals used in fire alarm systems are dc either on or off not ac which carries information like video or data.
Honestly we also have been remarked that fire alarm system schematic diagram is being just about the most popular subject right now. Here you can see the connection of a 2 zone system. See the diagram below. There are a total four wire used ie.