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How to Wire a Switch for a Light Fixture

Wiring a Switch From an Existing Ceiling Box: For a project like this, a cable is installed from the ceiling box to the wall switch location as you have stated.

Wiring a Switch for a Light Fixture

Electrical Question: In an existing ceiling box there is power coming in for a light and power going out to another room.

This electrical wiring question came from: Bob, from Silver Lake , New York

See more about Local Electrical Wiring in New York

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

Wiring a Switch From an Existing Ceiling Box

Skill Level: Beginner to Intermediate.
Tools Required: Basic Electricians Pouch Hand Tools, a non-aluminum ladder and Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with tools and access to the light fixture(s).
Precaution: Identify the light circuit, turn it OFF and  Tag it with a Note before working with the wiring.
Notice: Installing additional fixture wiring should be done with a permit and be inspected.

For a project like this, a cable is installed from the ceiling box to the wall switch location as you have stated.

The Following will assist you with Wiring a Switch

How to Wire a Switch

Wiring a Light Switch – Diagram 1

Wiring Diagrams

Home Electrical Junction Boxes

« Split-Buss Electrical Panels Light Fixtures and Three Way Switches »

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NEC Codes for Home Electrical Wiring
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