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Electrical Wire and Cable

Adding Smoke Detectors to Our New Addition

How can I wire in more smoke detectors to the existing smoke detectors.

Smoke Detectors
Electrical Question: How can I wire in more smoke detectors to the existing smoke detectors.

I am adding 2 smoke detectors to our new addition. The older part of our house has smoke detectors in 4 locations.
Can I tap into any one of them with my 14-3 wire, or do I have to tap into the last one on the run.

This electrical wiring question came from Timothy, a Other in PINE RIVER, Minnesota.

Dave’s Reply:
Thanks for your electrical wiring question Timothy.

How to add More Smoke Detectors

Application: Wiring additional Smoke Detectors.
Skill Level: Intermediate to Advanced – Best performed by a Licensed Electrical Contractor, or Certified Electrician.
Electrical Tools Required: Basic Electricians Pouch Hand Tools, Voltage Tester, and appropriate Safety Gear.
Estimated Time: Depends on the personal level experience, ability to work with tools, install electrical circuit wiring, and the available access to the project area.
Electrical Safety: Identify the electrical power source to the , turn it OFF and Tag with a Note before working with the electrical wiring.
Electrical Wiring Parts and Materials: Electrical parts and materials for the should be approved for the specific project and compliant with local and national electrical codes.
Electrical Codes and Inspections: Installing or changing home electrical wiring should be done according to local and national electrical codes as adopted in PINE RIVER, Minnesota. A permit and inspections may also be required.

See more about Home Wiring for Minnesota

Add Another Smoke Detector

This electrical wiring project is about adding smoke detectors in a new home addition.


Please see the following articles that will assist you:

How to Test and Repair a Smoke Detector Circuit
How to Repair Smoke Detector Wiring Problems: Hardwired Smoke Detectors with Battery Back Up, Testing and Troubleshooting a Hardwired Smoke Detector Circuit.
Smoke Detectors for the Home
What is a typical amperage of a home smoke detector and a home duplex outlet…
Electrical Wiring for Smoke Detectors
How a Smoke Detector Circuit is Wired – Take the mystery out of wiring smoke detectors, Smoke Detector alarms help provide the earliest warning for both fire and smoke.
Wiring a Smoke Detector in a Basement
How to Install Smoke Detectors – Take the mystery out of smoke detector wiring for basements. Smoke alarms provide the earliest warning of both fire and smoke.

More about Wiring Smoke Detectors

How to Wire Smoke Detectors

How to Install Smoke Detectors

Understanding smoke detector wiring. Smoke alarms provide the earliest warning of both fire and smoke.
Smoke Detectors

» You Can Avoid Costly Mistakes! «

Here's How to Do It:
Wire It Right with the help of my Illustrated Wiring Book

Great for any Home Wiring Project.

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Complete Guide to Home Electrical Wiring

Perfect for Homeowners, Students,
Handyman, Handywomen, and Electricians
Wiring GFCI Outlets
Wiring Home Electric Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring Light Switches
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
NEC Codes for Home Electrical Wiring
....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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