Alarm Wiring for Glassbreak Sensors Alarm Wiring for Glassbreak Sensors. Glassbreak sensors are devices for interior protection, similar to PIR motion sensors. They are needed mainly to protect fixed glassd windows are often found in master bathtub or closet areas, living and family rooms, and as sidelights around doors. Wiring Glass-Break Detectors - Konnected Inc. Wiring; Glass-Break Detectors; Glass-Break Sensors. Most wired glass-break detectors, regardless of type, will work with Konnected. Most common glass-break sensors work exactly like motion detectors, and can be wired in the same way. They require 2 wires (black/red) for power and 2 wires for a normally closed (NC) signal loop. How to wire and install security glass break detector for Glass break detector is a common sensor for burglar alarm system that can detect the glass vibration and broken. A. How Glass break detector works ? Glass break detector with a microphone which monitoring the noise (or voice) caused by the vibration comes from glass.