Wiring a Wall Switch to a Light

By Dave Rongey - Summary:

How to Add Electrical Wiring for a Wall Switch for a Light Fixture

Wiring Diagrams for Wiring Wall Switches

I’m adding a wall switch to a light that has a switch on a cord out of the wall.

  1. The switch is going into another box which has power as well with a switch to another light.
  2. I need to know if I should go with power from the box or from the light.
  3. Which would be easier and detailed wiring diagram etc.

Not three ways!

This electrical question came from: Michael, a Handyman from Newport beach CA

Dave’s Reply:
Thanks for your electrical question Michael.

How to Add Electrical Wiring for a Wall Switch for a Light Fixture

  • Michael, you only need to switch the power or hot side, so a 2-wire cable may be run from the existing power source of the light fixture to the location of the new switch.
  • The switch is of course is wired asĀ  power in, and power back out.


Easy to Follow Wiring Diagrams with Help You Wire Your Switches

Wiring a Switch

  • Wiring a Light Switch – Diagram 1

Wiring Diagrams
Wiring Diagram

  • Electrical Wiring Diagrams

  • Home electrical wiring diagrams are an important tool for completing your electrical projects.
  • An electrical wiring diagram can be as simple as a diagram showing how to install a new switch in your hallway, or as complex as the complete electrical blueprint for your new home or home improvement project.

Learn How to Wire it Right with my
Complete Guide to Home Electrical Wiring
Perfect for Homeowners, Students,
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