2-Way vs 3-Way Switches: How They Work & When to Use Each
What Is the Difference Between a 2-Way and a 3-Way Switch? Most of the time, nothing. The switch Americans call a 3-way switch is the same device the British call a 2-way switch: a single-pole, double-throw (SPDT) switch with three terminals that controls one light from two locations. The difference is the name, not the…