Motion Sensor Security Wiring Diagrams. How to wire pir motion sensor light switchcorrect wiring probably saves an expensive pir sensor from an irrecoverable malfunction and annulment of any warran. Two for power and two for the motion signal.
Diagrams and help on uk electrical wiring. These instructions will probably be easy to understand and apply. Injunction of two wires is usually indicated by black dot to the intersection of two lines.
Single normally open powered sensor.
This does not indicate a fault with the sensor. Most motion sensors installed for security systems operate on 12v dc power and are connected to four wires. Injunction of two wires is usually indicated by black dot to the intersection of two lines. Red wire is the load or the outgoing power to the light fixture.