Wiring A Single Pole Double Throw Switch. 2 methods are explained with associated wiring diagrams. Ascertain that you actually need to use a dpst switch.
Both types of switches have ground screws because they must be connected to a circuit ground wire for safety. When we flip the switch to the left terminal 1 the dc fan runs while the dc motor does not. To wire a double switch you ll need to cut the power remove the old switch then feed and connect the wires into the double switch fixture.
A single pole double throw spdt switch is a switch that only has a single input and can connect to and switch between 2 outputs.
A double pole double throw toggle switch is a combination of two individual spdt single pole double throw switches connected in the single assembly. Both types of switches have ground screws because they must be connected to a circuit ground wire for safety. You can see that in this way with a spdt switch we can control 2 different circuits or devices. The letters dpst should be stamped somewhere on the.
