Pole refers to the number of circuits controlled by the switch. This is something you will not find on three way or four way switches.
Leviton 108 05225 Isp Combo Single Pole Switch And Receptacle Ivory
What is single pole. Three pole or three way switches are used to control one or more lights or fixtures from multiple locations such as the top and bottom of a flight of stairs. Single pole switches are most commonly used in home lighting circuits to control one or more lights or fixtures from a single location such as the entrance to a room. It is used to control a light receptacle or other device from a single location. Spst single pole single throw switch is nothing but a simple two terminal switch which help us to disconnect the one terminal to another terminal vice versa on or off operation. But in single pole three way can control three inputs to three outputs simultaneously. It is a switch that provides a simple connect or disconnect capability across two terminals.
Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw. A characteristic feature of a single pole toggle switch is that it has on and off markings on the toggle. Our household lamp switch. When installing always connect two hot wires to it not two neutrals. A single pole single throw spst knife switch a single pole switch usually refers to a single pole single throw switch spst. Well single pole breakers and double pole breakers differ in the voltage and amperage they provide as well as how they are wired.
A single pole single throw spst switch is a switch that only has a single input and can connect only to one output. Three pole or three way switches are used to control one or more lights or fixtures from multiple locations such as the top and bottom of a flight of stairs. Sp switches control only one electrical circuit. Provide 120 volts 15 20 amps and have one hot wire and one neutral wire. Dp switches control two independent circuits and act like two identical switches that are mechanically linked. Single pole switches have two brass terminal screws and a toggle labeled on and off.
Its useful for controlling three sources on and off at the same time. Single pole switches are most commonly used in home lighting circuits to control one or more lights or fixtures from a single location such as the entrance to a room. The difference between single pole and double pole switches when you wire a switch to a 120 volt circuit it functions to interrupt a single hot wire. Most also have a grounding screw that connects to the circuits ground wire. This type of light switch controls one light fixture or electrical outlet from a single location. One terminal connects to the incoming power source wire while the other is used for the outgoing hot wire to the fixture.
The single pole switch is the general purpose workhorse of switches. It is commonly used for onoff applications such as light switches. It has only one pole which is another way of saying it has a single pair of connection terminals. Single pole single throw switch here pole refers to the maximum number of input connection.
Gallery of What Is Single Pole
