From what has been described in this question it appears that a neutral wire is not available at the wall switch.
How to wire light fixture to wall switch.
The source hot wire is connected to a switch terminal and the other terminal is connected to the black cable wire.
An enthusiastic homeowner can save the cost of a professional by knowing which wires connect to which.
Adding a wall switch to a ceiling fixture can be done in a matter of hours.
From the switch new 2 wire cable is run to the new light location.
Step 2 this tutorial will explain the job as if there is currently no light fixture or switch installed in the room.
The power currently comes into the fixture.
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.
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.
If the wall is heavily insulated push conduit through the insulation and then feed wires or cable through the conduit.
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.
Just a ceiling electrical box with a circuit in it.
Here a single pole switch controls the power to a light fixture.
The source is at the switch and 2 wire cable runs from there to the light.
The biggest challenge is planning the cable route and running it from the fixture to the new wall switch position.
Wiring a new switch and light from an outlet.
Guide to adding a light fixture.
Wiring a single pole light 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.
The switch comes first in the new part of the circuit and new 2 wire cable is run to it from the outlet.
Most light fixtures have two electrical wires with colored insulation and a copper ground wire.
A switch interrupts the hot leg of the circuit so it has terminals only for black wires and ground.