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How to wire a 2 way light switch?

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By wiring a 2-way switch, The circuit below shows the basic concept of electricity flow to the load. Let's assume the load you are controlling is a light. The electricity flows from the hot wire (black) through the 2-way switch (shown in off position) and then to the light and returns through the neutral wire (white). read more

Wiring of 3-way light switches is certainly more complicated than that of the more common single-pole switch, but you can figure it out if you follow our 3-way switch wiring diagram. With a pair of 3-way switches, either switch can make or break the connection that completes the circuit to the light. read more

In North America, a two-way wall switch is a single-pole, single-throw switch -- in other words, a simple on-off switch. In Europe, though, a two-way switch is a single pole, double-throw switch capable of being wired with an identical one to power a fixture from two different locations. read more

The 2 wire cable feed from the power source enters the bottom of the switch box and the hot (black) wire connects to the common or shunt terminal on the 3-way switch. There is only one such terminal on a 3-way switch, and it is usually identified as the one having a different color terminal screw (often significantly darker) from the other two terminal screws (not counting the green ground screw). read more

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