To Recieive Your Free Diagram,
Become a Member of Short Circuit -
Your Bi-Weekly Update of
New Fire Alarm Articles
Enter your email address.
Your email will not be sold
or given away.
Free PDF Diagram:
Fire Alarm System Class B Wiring
See how to wire a fire alarm system using Class B wiring.
See how the Class B Wiring detects wiring problems in a building.
Class B Wiring for Fire Alarm System is a protective method of wiring. It is designed so that the Fire Alarm Panel can detect a broken wire, and the wiring can be fixed before there is a fire.
The Diagram Shows:
How the wires go in and out of each device, for total supervision of the wiring.
How the supervising current follows the wires to every device on the input or output zone.
Why "T-Taps" should never be used in Class B Wiring.
Douglas Krantz's Technician's Corner