This is a completed circuit. This allows it to turn with the screw as you tighten the screw down. Simply touch the end of the detector to the light fixture in several places. Use your voltage detector to make sure that there is no power in the switch before proceeding. Like the basic one-way switch, you can connect the power from the light fixture to the light switch or connect the power to the light fixture from the light switch. Well, you came to the right place to learn about the basics of switch wiring!
These two conjoined wires are wrapped or joined at the terminal, and wrapped around the same screw.
How to Replace a Double Light Switch
This simple diagram below will give you a better understanding of what this circuit is accomplishing. They are often, but not always, white. If you're not an experienced electrician, take a quick picture of the fixture to determine how the wires are placed. A ground wire serves to protect you from electric shock through maintaining the voltage in the circuit as well as causing the circuit breaker to trip when a high voltage is present. Include your email address to get a message when this question is answered. Help answer questions Learn more. Next, cut and strip the insulation from ends of each of the grouped wires.