Explaining input and output circuits, it goes into:
- Why there can't be any T-taps
- Why there has to be an End-of-Line Resistor
- Why the NAC Circuit reverses voltage when the Alarm Sounds
- Why concerns with Life Safety affects the wiring
Knowing the Why's shows you how to wire a Conventional Fire Alarm System.
Especially Formatted for Your SmartPhone
154 Pages - Over 70 Drawings - 5 Megabyte PDF