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Replace a Light Switch with a Motion Detector Switch

How can I replace a light switch with a motion detector switch? I am trying to replace what I thought was a basic switch in my garage that controls an overhead bulb.

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Wiring a Motion Detector Light Switch
Electrical Question: How can I replace a light switch with a motion detector switch.

Do you have any suggestions?

This electrical wiring question came from Bruce in Edison, New Jersey.

Dave’s Reply:

Thanks for your electrical wiring question Bruce.

Change the Wiring a Light Switch

Application: Change a Three Way Light Switch to a Occupancy Sensor or a Motion Detector.
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 Light Switch, 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 Light Switch 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 your specific area of New Jersey. A permit and inspections may also be required.

Change the Wiring a Light Switch in a Attached Garage

This electrical wiring project is about Wiring a 3Way Occupancy Sensor or Motion Detector Activated Light Switch in the Attached Garage of a Old Home.

Wiring a Motion Detector Light Switch

Bruce, from the information you have provided, the existing switch is a Three Way light switch. Typically a standard Three Way switch may be replaced with a 3Way Occupancy Sensor, also known as a Motion Activated Switch. The typical Occupancy Sensor and Motion Activated light switches may require a neutral wire, and a ground wire. These switches are available from online sources, as well as most local hardware stores.

The Following Resources may Assist You with this Question:

How To Install A 3-Way Motion Sensor Switch
How can I install a single pole motion sensor switch in place of an existing three-way switch? Wiring a 3 Way Motion Switch.

What To Do With The Ground Wire
Where do I attach the ground wire?
Grounding Wall Outlets and Light Switches: What to do When there is Nothing to Attach the Ground Wire to, Grounding Wall Outlets and Light Switches, Ground Wires and Un-Grounded Fixtures and Boxes, Bonding the Ground Wire.

See More about How to Wire a Light Switch

How to Wire a Switch
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Wiring a Light Switch – Diagram 1

Wiring Diagrams
Fully Explained Light Switch Wiring Diagrams. Detailed Electrical Wiring Diagrams and Pictures assist your Home Electrical Projects.

Electrical Boxes for Electric Repairs and Home Wiring Projects
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Electrical Junction Boxes for Home Wiring

Understanding electrical junction boxes and what they are used for. Home electrical wiring is the process of installing electrical wire to a location that will serve electrical devices or an appliance. One very important component is the box where the wire will be installed. The type and size of the home wiring electrical boxes will depend upon the circuit size, application and its location.

How to Install Garage Electrical Wiring
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Garage Electrical Wiring

Fully Explained Photos and Wiring Diagrams for Garage Electrical Wiring with Code Requirements for most new or remodel projects.

Home Electrical Wiring Projects
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Home Wiring Projects

Installing electrical wiring projects for safety and home improvements.



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Complete Guide to Home Electrical Wiring

Perfect for Homeowners, Students,
Handyman, Handy Women, and Electricians
Includes:
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
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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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