- Step 2: Gather your tools
- Step 1: Locate your switches
- How to replace your old, outdated 3-way light switches
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- All About Light Switch Wiring | Better Homes & Gardens
Join us on Factory: In this video, you will learn how to connect a lamp with a simple switch. The switch will make it possible to turn on the power for a lightbulb at a distance.
Step 2: Gather your tools
Before any electrical intervention, please turn off the power for the network concerned. This installation is carried out in two steps, as we will explain.
Loosen the three screws inside it for the conductors. Place the base of the bulb socket on the cable. Cut any excess away from the conductors.
Strip the plastic off the ends of the electrical wires. Tighten the three screws.
Step 1: Locate your switches
Verify that the wires are attached securely by pulling on them. A three-way switch has three screws.
One screw is colored darker than the other two. It's called the "Common" terminal.
How to replace your old, outdated 3-way light switches
The other two screws are called "Traveler" terminals. You can wire two three-way switches and a light in a few different ways. It all depends where the light is located: What we describe is not how all three-way switches are wired. But the following will give you an idea of how they're connected.
For simplicity, let's say the light is after both switches. The first box has two cables: The second box has that incoming cable and an outbound cable to the light. If the line carrying power comes into the light box first, the circuit must still be wired so the switch interrupts the black line. The white wire from the service panel is wired to one side of the light.
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The black wire is spliced to a black wire in a cable that runs to the switch. That cable's white wire is also connected to the switch and runs back to and is connected to the light. Flipping the switch interrupts the flow of electricity, and the switch does its job.
All About Light Switch Wiring | Better Homes & Gardens
Because the white wire from the switch to the light is now a hot wire, it must be marked to show it is hot. Wrap a piece of black electrician's tape around it at both ends or color the end black with a marker to show that it carries power. With power-through wiring, power enters the switch box. The feed wire the hot wire coming from the service panel runs to the switch before it goes to the fixture.