3 way switch single pole double throw or spdt browse lighting diagrams that use a 3 way switch. Double pole wiring apart from the fact that it accepts two pairs of hot wires a double pole switch is different from a single pole one in another important way.

Amazon Com 2 X Spdt Single Pole Double Throw 3 Pin On Off On
Single pole double throw light switch wiring. 4 way light switch with power feed via the light. When we flip the switch to the left terminal 1 the dc fan runs while the dc motor does not. D ouble pole switches are usually rated at 30 amps so any appliance or equipment requiring a greater power consumption have to be connected to a disconnect. In other words its like two simple switches controlled by a single actuator. One screw terminal is for the hot wire that feeds the switch from the power source. Damage to equipment or personal injury can occur.
Two lights between 3 way switches power via a light how to wire a 4 way light switch with power feed via the light switch. How to wire a double switch combination two switches. How to wire a single pole light switch duration. The other terminal is for a second hot wire called a switch leg that runs only between the switch and the light fixture. Though it is not difficult to wire a double switch careful attention to safety is crucial to prevent injury. Electrical device motor 3 inch wires 2 warning.
The rating is marked on the switch and it must be the same as or preferably higher than the current draw for the device it controls. A double pole single throw dpst switch controls the connections to two wires at once where each wire only has one possible connection. How to wire a double switch 2 single pole switches fix it home improvement channel. A double throw switch allows 2 different options. When we flip the switch to the right terminal 3 the dc motor runs while the fan does not. You can see that in this way with a spdt switch we can control 2 different circuits or devices.
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. An application for this switch is for reversing a direct current dc electrical motor. They have two screw terminals plus a ground screw. Its rated for a higher current. Single pole switches are the most common light switches in a home. The dpst switch often appears in circuit breakers where it is used for 240 volt circuits with each pole carrying 120 volts separately.
A double pole switch such as the one in fig1 is just slightly bigger than a regular switch but constructed as two single switches harnessed side by side and activated by one common toggle. How to wire a single pole light switch duration. Sal flores 77 215485 views. A double pole double throw dpdt switch is a three selection electrical device in which there is one off and two on positions. Do not connect or service any electrical device while power is being supplied from the power source.