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: