3 Way Switches Explained - How to wire 3 way light switch
The Engineering Mindset・9 minutes read
The video discusses three-way switches for lighting circuits in North America, explaining three different circuit designs based on the location of the light fitting. Detailed wiring guides with illustrations and instructions are provided for each circuit, highlighting the connection of wires and grounding for safety.
Insights
- Three way switches in North America have four screw terminals: ground, common, and two traveler terminals, crucial for proper wiring.
- The video provides detailed explanations and step-by-step instructions for three different circuit designs based on the location of the light fitting, ensuring safe and effective installation.
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Recent questions
How are three way switches used in lighting circuits?
Three way switches allow control of a light from multiple locations.
What are the components of a three way switch?
Three way switches have ground, common, and two traveler terminals.
Where can I find a wiring guide for three way switches?
A PDF wiring guide with illustrations is available online.
What is the first circuit design discussed in the video?
The first circuit design has the light fitting last in the circuit.
How many different circuit designs are explained in the video?
Three different circuit designs are explained in the video.
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Summary
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"North American Three Way Lighting Circuits"
- Three way switches for lighting circuits in North America are discussed in the video.
- Three different circuit designs are explained based on the location of the light fitting in the circuit.
- A PDF wiring guide with detailed illustrations and step-by-step instructions is provided for each circuit.
- Three way switches have four screw terminals: ground, common, and two traveler terminals.
- The first circuit discussed involves the light fitting being last in the circuit.
- Detailed parts list and instructions are provided for this circuit, including the connection of wires and ground for safety.
- The second circuit involves the light fitting being between the two switches, with specific wire connections and grounding instructions provided.
- The final circuit discussed is where the light fitting is before the two switches, with detailed steps on connecting wires and ensuring safety through grounding.
