Its there so the electrician can connect the switch to another three way switch via a third wire. Single pole or 3 way diva led dimmer switch for dimmable led halogen and incandescent bulbs white.
Charleston Home Inspector Explains How To Wire A Three Way
Single pole 3 way switch. A single pole single throw spst switch is a switch that only has a single input and can connect only to one output. Common feed single line hot single pole switch and 3 way switch on the same circuit. Leviton decora 15 amp single pole ac quiet switch white 10 pack leviton decora 15 amp tamper resistant duplex outlet white 10 pack product overview. Single pole used when controlling light s from one location and 3 way used with another 3 way switch for use when controlling light s from two locations. In addition the three way switch has a black terminal. Answered december 3 2016.
You can wire a 3 way switch as a sigle pole switch by finding which screw terminals work together. A three way switch has the same two brass terminals you find on a single pole switch although they are usually opposite each other instead of arranged vertically on the switch body. Light s controlled by single pole switch other light s controlled by 3 way switch. And another 3 way switch at a different location. To use a three way switch as a single pole one connect the hot wires to the common terminal and the traveler on the same side of the switch body. How to wire a three way switch to a existing single pole light switch circuit.
Single pole and three pole switches look the same when installed but are used for different purposes. But in single pole three way can control three inputs to three outputs simultaneously. 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. You dont need the other terminal on the three way switch so its fine to cover it over with electrical tape to ensure the terminals dont get mixed up. Its useful for controlling three sources on and off at the same time. You would use one of the dark colored screws with one of the light colored screws.
Closer inspection reveals that while a single pole switch has two terminals a three pole switch has three. Dominick amorosso decemberj2012 110 volt electrical 11 comments 24039 views in this video i explain just how easy it is to add a three way switch to an existing single pole one switch lighting circuit.
Gallery of Single Pole 3 Way Switch
