Here a single pole switch controls the power to a light fixture. In your switch box you will only have one black one white and one ground wire.

Adding An Extra Light From A Light Switch
House light switch wiring. I recently replaced a couple of the really old lightswitches in my house. This light switch wiring diagram page will help you to master one of the most basic do it yourself projects around your house. Disengage the wires by twisting the wiring cap until it comes free. Hey doing it yourself is great but if you are unsure of the advice given or the methods in which to job is done dont do it. The switch also has a green terminal. Hooking up a switch is the essence of simplicity.
One wire will come from the light the other from the main electrical circuit of your house. The source is at the switch and 2 wire cable runs from there to the light. Wiring a single pole light switch. If there is a grounding terminal now simply hook the black wire to the bottom terminal and the white wire to the top terminal. What you need to do is to identify the wire that supplies the power which is the line and the wire that leads out to the outdoor light fixture which is the load. You should see plastic caps called wiring caps also called a wire nut with two wires running into each cap.
You connect the black wires in the electrical box to the switch terminals and the white wires to each other. The power can come from either the switch box or the fixture box and a set of electrical switch wiring diagrams will explain each of these scenarios to you clearly. Shortly afterwards i heard shirlock homes on the stackexchange podcast and he mentioned that you can shock yourself if you. Switch wiring diagrams a single switch provides switching from one location only. The source hot wire is connected to a switch terminal and the other terminal is connected to the black cable wire. Easiest to wire is a single light that occurs at the end of a circuit.
Push the switch into the box and screw it in. Wiring a 24 hour time switch for outdoor lights paul dont get confused by the colors of the wires on the old switch or the new time switch. Disengage your light from its wires. This site is merely. Wiring a single pole light switch. A dimmer switch is wired the same way as a single pole switch.
Hook up the ground wire to the box and then to the switch. Proper wiring for a single pole switch that controls a light from the center of a circuit. Single pole may sound simple but there are different ways to wire a single pole switch. When an un switched circuit continues from a switched light this is how to wire it.