A double pole single throw dpst switch controls the connections to two wires at once where each wire only has one possible connection. The number of throws indicates how many different output connections each switch pole can connect its input to.
Understanding Toggle Switches
Single pole toggle switch diagram. Below is the schematic diagram of the wiring for connecting a spdt toggle switch. And terminal 3 can connect to any load to power any device. Single pole switch diagram 2 this switch wiring diagram shows the power source starting at the fixture box. The difference between a single and double pole switch is that the latter controls two circuits at the same time. Single pole switches are the most common light switches in a home. The dpst switch for example has four terminals however is a double pole dp and not a four pole 4p switch.
What do spst spdt dpst and dpdt mean. Double pole two independent circuits controlled by the switch which are mechanically linked. Single pole switching provides switching from one location only. Leviton offers a variety of toggle switches in multiple configurations. Dp switches control two independent circuits and act like two identical switches that are mechanically linked. A single throw switch is a simple on.
Pole should not be confused with terminal. Pole refers to the number of circuits controlled by the switch. The two most common types are single throw and double throw. One screw terminal is for the hot wire that feeds the switch from the power source. The white wire of the romex going to the switch is attached to the black line in the. Leviton 20 amp mercial double pole toggle switch white r52 and.
We will now go over the wiring diagram of a spdt toggle switch. A double pole switch is what you need to control a 240 volt device because 240 volt circuits have two hot wires. 2 pole toggle switch wiring diagram sample leviton 20 amp mercial double pole toggle switch white r52 and. The other terminal is for a second hot wire called a switch leg that runs only between the switch and the light fixture. In other words its like two simple switches controlled by a single actuator. Sp switches control only one electrical circuit.
Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw. A spdt toggle switch has 3 terminals. They have two screw terminals plus a ground screw. Double pole toggle switch wiring diagram. Single gang wallplates wid windows for large connectors. Awesome single pole light switch wiring diagram wiring.
Terminal 1 can connect up to any load to power a certain device. Two for incoming hots and two for outgoing hots. Single pole one circuit controlled by the switch. It has four terminals. A double pole switch is like two separate single pole switches that are mechanically operated by the same lever knob or button. This light switch wiring diagram shows the power source starting at the switch box.
Gallery of Single Pole Toggle Switch Diagram
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