Replacing Hard Wired Smoke Detectors

Take note of the three wires as you detach them from the old smoke detector.

Replacing hard wired smoke detectors. This connection makes it simple to replace bad or. Shut off the power to that circuit at the main electrical panel. You are doing the right thing by changing your smoke alarms every 10 years we recommend carbon monoxide detectors be replaced every five and by using interconnected alarms. How to replace a hard wired smoke detector.

It is a good idea to replace the smoke detector with the same brand. If your old alarms are connected to three wires as shown here that means the alarms are interconnected when one alarm detects smoke they all howl. When you disconnect the power to the circuit breaker the battery power takes over. It s like a plug.

Replacing a hardwired smoke detector requires removing the battery. Black 120v power white neutral and red or yellow are the interconnecting circuit wires. Unscrew the old detector from it ceiling or wall mount. Eventually the alarm will sound.

We highlight the simple steps to replacing old expired hardwired smoke alarms with updated new reliable smoke detectors. Replacing a hard wired smoke detector is almost as easy as replacing a battery powered version. New alarms are inexpensive. Be sure to first turn off electricity at the breaker box otherwise you can hire an electrician or an alarm service company to do the job.