How to Install a Hardwired Smoke Alarm - AC Power and How to Install a Hardwired Smoke Alarm photo tutorial. AC power circuit and ceiling junction box wiring for the new smoke detector with wiring diagrams. The “daisy chain” wiring diagram illustrated in the Kidde/Firex smoke alarm datasheet and user manual are representative for ease of understanding. KIDDE SM120X USER MANUAL Pdf Download. View and Download Kidde SM120X user manual online. This module is only activated by a smoke alarm interconnect signal. Alarm and module wiring must conform to the electrical codes and local. codes in your area. In USA, it includes articles 210 and 300.3(B) of the U.S. National. Firex Smoke Alarm Wiring Diagram (Diagram illustrates fixing mounting plate to electrical box.) 3. Connect bluex smoke alarm user's manual gc, ic, pg, pad, padc, iarc, par (8 pages) Smoke Alarm Firex FADC User Manual v ac ionization smoke alarm with . Kidde Smoke Detector Wiring Diagram - diagramweb Kidde Smoke Detector Wiring Diagram. Firex I4618 Wiring Diagram WIRES ON ALARM. Firex i AC Smoke Alarm with Battery Back-up and False Alarm Control Since old Firex and new replacement have different wiring harness, the existing wiring harness needs to be changed. If you don't Firex diagram. Visit the Kidde Help Center Knowledgebase and search by model number or product name- for example firex smoke alarm