Spst Switch Wiring Diagram

By | September 3, 2017



Understanding how to wire a SPST switch is an essential skill for anyone in the electrical engineering field. Whether you’re wiring a new light switch or trying to solve an issue with an existing one, a SPST switch wiring diagram will come in handy.

SPST stands for Single Pole/Single Throw, meaning that the switch has only one input and one output. This makes it incredibly easy to use compared to more complex switches, as you don’t need to worry about multiple inputs or outputs. A SPST switch wiring diagram shows us how this switch works and how to connect it correctly.

Typically, a SPST switch will have three terminals: two for the input and one for the output. The two input terminals will be the common wire, which is connected to the power supply, and the "hot" wire, which is the one that completes the circuit. The output terminal is the one that will be connected to the device you are controlling.

The key to properly wiring a SPST switch lies in connecting the hot wire correctly. If you have a household light switch, the common wire will usually be white and the hot wire will usually be black. When connecting the wires to the switch, connect the common wire to the first terminal, the hot wire to the second terminal, and the output to the third terminal.

If you’re having trouble wiring your SPST switch, consulting a SPST switch wiring diagram can help you troubleshoot any issues. Make sure you understand the symbols on the diagam and the function of each wire. Following these steps and utilizing a SPST switch wiring diagram can help you wire a SPST switch quickly and safely.


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