How To Wire Light Fixture To Wall Switch

Here a single pole switch controls the power to a light fixture.

How to wire light fixture to wall switch.

Most light fixtures have two electrical wires with colored insulation and a copper ground wire. If the wall is heavily insulated push conduit through the insulation and then feed wires or cable through the conduit. Step 2 this tutorial will explain the job as if there is currently no light fixture or switch installed in the room. Just a ceiling electrical box with a circuit in it.

A switch interrupts the hot leg of the circuit so it has terminals only for black wires and ground. Adding a wall switch to a ceiling fixture can be done in a matter of hours. The source is at the switch and 2 wire cable runs from there to the light. The ceiling light fixture requires a neutral for the light to work and your wall switch box does not have a neutral wire available so additional wiring will be required to obtain the neutral wire from the outlet.

The power currently comes into the fixture. From what has been described in this question it appears that a neutral wire is not available at the wall switch. Guide to adding a light fixture. From the switch new 2 wire cable is run to the new light location.

Wiring a new switch and light from an outlet. The switch comes first in the new part of the circuit and new 2 wire cable is run to it from the outlet. An enthusiastic homeowner can save the cost of a professional by knowing which wires connect to which. In this diagram power is taken from an existing wall outlet for a new switch and light fixture.

You connect the black wire from the power source to one of these brass terminals the line terminal and the black wire going to the light fixture to the other which is the load terminal. I m attempting to add a second light fixture to an existing wiring run which currently has a single fixture attached to a single pole switch. I d like to avoid replacing the wire that s run to the switch if possible which is 12 2 and simply pass the hot through the new second fixture to. So an end of run switch is the last component in the wiring of a circuit and in effect the wire feeding the switch is coming from the light fixture and not the other way around.

Wiring a single pole light switch.