Aug 14, 2024

How to Install and Wire a Smoke Detector in a Hardwired System

Did you know that an average of seven people die in home fires every day? In fact, 3 out of 5 home fire fatalities occur in homes without smoke detectors. For this reason, it’s important to have working smoke detectors in your home. A smoke detector sounds an alarm before a fire spirals out of control, allowing you to escape safely.

Read on to learn how to install smoke detectors in a hardwired system. To get professional help from a trusted electrical repair service, contact Mr. Electric. We are an experienced electrical service company specializing in installing different types of smoke detectors in residential and commercial properties.

What Is a Hardwired Smoke Detector?

A hardwired smoke detector is directly connected to your property’s electrical system. Whereas standard smoke detectors rely on a battery, hardwired systems connect to your home’s electrical grid. They also come with a backup battery to ensure continued protection in case of a power outage. In the event of a power outage, the backup battery automatically activates, providing uninterrupted smoke detection and peace of mind.

How to Install a Hard Wired Smoke Detector

Step 1: Turn Off the Power

Locate the circuit breaker controlling the area where you'll install the smoke detector and switch it off.

Step 2: Mark Your Spots for the Smoke Detector Boxes

Determine the optimal locations for your smoke detectors, usually on ceilings or high walls, and mark these spots.

Step 3: Drill the Holes

Drill holes for the electrical boxes at the marked locations and carefully route the electrical wire from the nearest junction box to the marked spots.

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Step 4: Attach the Wires to the Electrical Boxes

Connect the electrical wires to the terminals in the electrical boxes and mount the electrical boxes securely in the drilled holes.

Step 5: Wire the Smoke Detector

Connect the electrical wires to the corresponding terminals on the smoke detector according to the manufacturer's instructions.

Step 6: Attach the Mounting Plates to The Electrical Boxes

Attach the mounting plates provided with the smoke detector to the electrical boxes. Ensure they are securely fastened. Next, connect the wire harness from the smoke detector to the mounting plate.

Step 7: Install the Backup Battery

Open the battery compartment on the smoke detector and insert the backup battery according to the polarity indicated in the compartment.

Step 8: Connect To the Power Source

Now it’s time to attach the smoke detector cable to the circuit. This is the part where you may need to hire a professional electrician to help.

Step 9: Test the Alarm

Lastly, press the test button on the smoke detector to ensure it's functioning correctly. You should hear a loud alarm sound. It’s advisable to conduct regular tests to verify the smoke detector's operation.

Turn To Mr. Electric for Smoke Detector Installation

Installing a smoke detector involves electrical work. Unless you’re a professional in the field, it’s best to leave the job to a trusted electrical repair service. Here at Mr. Electric, we have the expertise and experience to install different kinds of smoke detectors. Contact us today for help.

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