Typical household smoke alarms use a black wire for detecting smoke, a white wire as the common conductor and a red wire that communicates with other smoke detectors in the home. Learn how to wire a smoke detector properly in this free video on household electrical wiring.
Expert: Nick Marra
Bio: Nick Marra serves as one of the owners of CJS Electric in Tampa Florida.
Filmmaker: Christopher Rokosz
Series Description: Changing a light fixture, converting an outlet to a switch, or other household electrical wiring tasks may sound simple, but you must follow the right steps to do this work safely and correctly. Get professional advice on wiring issues in this free video series.