Wiring A Single Pole Double Throw Switch. You can see that in this way with a spdt switch we can control 2 different circuits or devices. A single pole double throw switch can serve a variety of functions in a circuit.
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. Though it is not difficult to wire a double switch careful attention to safety is crucial to prevent injury. In this video i give you the character.
Look at the figure 1 2 the centre dotted line indicates that the dpdt switch is actually two spdt switches in one package.
It can serve as an on off switch depending on how the circuit is wired. 2 methods are explained with associated wiring diagrams. When we flip the switch to the right terminal 3 the dc motor runs while the fan does not. Dpdt double pole double throw toggle.
