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How to Stop Smoke Detector False Alarms Once and For All

Azad in Illinois asks: Why Do my The Smoke Detectors Keep Going Off During the Night? How to Stop Smoke Detector False Alarms.

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Smoke Detector False Alarms
Electrical Question: Why Do my The Smoke Detectors Keep Going Off During the Night?

My house was remodeled 2 years ago, new First Alert smoke & carbon monoxide alarm, model SC9120B – total of 7 installed, 4 ea in ea bedroom (2nd floor), 1 in Hallway (2nd floor), 1 in family room (1st floor), and 1 in basement. All goes off at one time – one big loud sound. On the back there are 3 pins, black wire, orange wire interconnected, and the white neutral wire.

The Smoke Detectors Alarm During the Night

This Electrical Question came from: Azad, from Lisle, Illinois.

Additional Comments: Very informative and helpful.

Dave’s Reply:
Thanks for your Electrical Question Azad.
Azad, a J-Box is a junction box for electrical wiring and is typically the box that a smoke detector is mounted to. Continue reading for more about electrical wiring for smoke detectors.

How to Stop Smoke Detector False Alarms

smoke detector false alarm

Application: Troubleshooting Smoke Detectors.
Skill Level: Beginner to Intermediate. This electrical wiring project is best performed by a Licensed Electrical Contractor.
Tools Required: Basic Hand Tools and Safe Ladder.
Estimated Time: Depends on personal experience and the number of smoke detectors and access to them.
Precaution: Smoke Detectors are required by code to be installed in specific areas of the home. Never remove or leave a smoke detector disconnected or never leave the smoke detector circuit power off.
Notice: Smoke detector type alarms should be tested frequently to make sure they are functioning correctly.

Troubleshooting Smoke Detector Alarm Problems

Smoke detectors are essential to help protection home occupants by providing a warning alarm when fire, smoke, and even carbon monoxide conditions with some of the newer detection devices. These safety devices should never be disconnected or removed. The newer systems are designed so if one goes into alarm they all go into alarm because they are interconnected.

Why Smoke Detectors have False Alarms

See More about Smoke Detectors

Smoke Detector Wiring
Smoke Detectors

Home Smoke Detectors

Take the mystery out of smoke detector wiring. Smoke alarms provide the earliest warning of both fire and smoke.

Using Testers to Identify Electrical Problems

Electrical Testers to Help Solve Smoke Detector Problems

Troubleshooting Electrical Wiring


More about Electrical Codes For Smoke Detectors

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....and much more.

Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

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