Wiring 3 Way Switch - Two common types of 5-way switches The questions I get asked in response to people reading my stuff on guitar wiring often relate to the 5-way pickup selector switch so I thought I’d write a brief explanation of how it works.. In electrical engineering, a switch is an electrical component that can "make" or "break" an electrical circuit, interrupting the current or diverting it from one conductor to another. The mechanism of a switch removes or restores the conducting path in a circuit when it is operated. It may be operated manually, for example, a light switch or a keyboard button, may be operated by a moving. Controlling a light or lights with two or more switches. These pages describe how to use 3-way and 4-way switches to control lights from two or more locations..