Sp switches control only one electrical circuit. The motors two power leads are reversed at one of the switches screw terminals.

Switches In Electronic Circuits Poles And Throws Dummies
Double throw switch diagram. Its got one output and one input. Each of the terminals of a double pole double switch can either be in 1 of 2 positions. A double pole double throw dpdt switch is a switch that has 2 inputs and 4 outputs. Double pole double throw switch wiring diagram wiring diagram is a simplified up to standard pictorial representation of an electrical circuit. Bination two switches wiring diagram anything wiring diagrams. Look at picture 11 and 12 it consists of two common input terminals c e and both mechanically tied together to operate in the same way.
Leviton presents how to install a decora bination device with for. Dp switches control two independent circuits and act like two identical switches that are mechanically linked. Pole refers to the number of circuits controlled by the switch. You can see above how a double pole double throw switch can allow a circuit to be in 1 of 2 modes. Fig 12 dpdt terminal diagram. Though it is not difficult to wire a double switch careful attention to safety is crucial to prevent injury.
This is a double pole double throw dpdt momentary illuminated momentary rocker switch it has one ind lamp at the top. It shows the components of the circuit as simplified shapes and the knack and signal contacts amid the devices. When the dpdt switch is switched one way flipped upward in the diagram the lamp and buzzer are both on while the led and speaker are off. Commonly youll see switches defined as single pole single throw single pole double throw double pole double throw which are more often abbreviated down to spst spdt and dpdt respectively. Leviton double pole switch wiring diagram collections of wiring diagram dual light switch inspirational wiring diagram for a. A single pole single throw spst switch is as simple as it gets.
Each input has 2 corresponding outputs that it can connect to. Double pole double throw toggle has 2 input terminals and 4 output terminals. An application for this switch is for reversing a direct current dc electrical motor. Fresh single pole switch symbol electrical outlet symbol 2018. Below is an example of a circuit which utilizes a double pole double throw switch. A double pole double throw dpdt switch is a three selection electrical device in which there is one off and two on positions.
Double pole double throw switch dpdt circuit. Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw. To wire a double switch youll need to cut the power remove the old switch then feed and connect the wires into the double switch fixture. Here pole indicates individual input circuit and throw indicates the output circuit. This makes the the double pole double switch a very versatile switch. The wiring diagram to the right will show how to wire and power this 12v 20amp on off on 3 way carling contura rocker switch.
For example you might want to turn on a bathroom light separately from the ceiling fan.