Wiring Diagram For Class B Fire Alarm. Class A Class B Fire Alarm This clip from a well-known manufacturers instruction manual for a very basic non-addressable system might help illustrate what the others have explained. One open wire will not disable any of the devices but will initiate a trouble signal.
Power is supplies from both directions one cut wire does not cause loss of function to a device on the circuit. IDNet communications specifications may vary depending on the host fire alarm control panel refer to specific panel product documentation for details NAC Wiring Distance Considerations refer to diagram on page 3 1. Class B wiring has 2 wires.
10000 ft 3048 m maximum total wiring distance including T-Taps on Class B wiring Note.
How the supervising current follows the wires to every device on the input or output zone. FS1004 Factory configured with 10 Class B IDCs and four Class B NACs. Class A Wiring will survive better than Class B Wiring. Wiring diagrams provided herein are for information and reference only and.
