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Introduction and Component Overview

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3 way switches explained #tools #electrical #diy #homeowner #trades

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What happens here

The video begins by demonstrating a common problem: a 3-way switch setup where the light only turns on or off from one switch. The presenter explains that a 3-way switch does not directly turn power on or off, but instead selects the path for power via "traveler" wires. He then introduces the essential components for this project: 14/3 electrical wire (distinguished by an extra red wire compared to 14/2 wire, which is crucial for travelers), and two 3-way switches. Each 3-way switch has three terminals for wires (one common, two travelers) in addition to a ground screw. The common terminal is typically identified by a darker screw (often black or copper), while the two traveler terminals are usually brass-colored.

Goal: Understand the function of 3-way switches and identify necessary components and their terminals.

Tools and materials

  • 14/3 Electrical Wire Unspecified
  • 3-Way Switches Unspecified — Controlling the light fixture from two distinct locations
  • Light Fixture Unspecified — The electrical device (load) that will be controlled by the switches

What they say

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If your three-way switch only works in one direction like this, I'll show you how to fix it. Let's get after it. A three-way switch doesn't actually turn the power on and off, it just chooses which path the power takes via your traveler wires there. Now, the most common problems, probably 90% of problems people have with three-way switches, is that their traveler and their common are mixed up. So, I'm going to go ahead and I'm going to wire this up the right way. I'll show you guys how to do it. All right, so a few things before we even get started. First of all, you're going to need 14 three-wire. It has that extra red one. As where you see 14 two doesn't have the red. That red's going to act as your traveler, and that's super important. You need three-way switches. Here you have three terminals for your wire, one common, and two travelers, as opposed to just your normal switch. So, when it comes to wiring a three-way switch, this is the most important thing, your common. Your common's going to be what your power comes into from your panel, and your common is going to be what your power leaves out of to your light fixture. These two brass ones here are just your travelers. Power travels back and forth between the two of them. This supplies your power. This is where your power leaves. So, go

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