Smoke wiring alarm ic obvious downstairs earth think yellow why green there two but Wiring detectors detector wired doityourself hardwired connecting interconnecting Smoke detector wiring 101
Smoke Detector Circuit Basics
Wiring smoke alarm diagram / types of fire alarm systems and their Smoke detector circuit basics Diagram alarm smoke detector wiring system detectors wire sensor fire hardwired circuit systems security conventional answers alarms two basics most
Alarm wiring eielectronics interconnect
Wiring smoke alarm .
.
Smoke Detector Wiring 101 | DoItYourself.com
Smoke Detector Circuit Basics
Wiring smoke alarm | Overclockers UK Forums