3 Way Switch Wiring Diagram - Easy Take a closer look at a 3 way switch wiring diagram. Pick the diagram that is most like the scenario you are in and see if you can wire your switch! 2 way switch wiring diagram | Light wiring The first reason this is BAD is on safety grounds; say we are working on the light upstairs, so we turn off the upstairs lighting circuit thinking we are safeG live is picked up downstairs and there are still live conductors feeding the switch upstairs and if someone flipped the downstairs switch in this diagram that live feed would extend all the way to the lamp too (you’re fried 3 Way & 4 Way Switch Wiring Diagram - Ask the Builder "A 3-way switch has three screws plus the green grounding screw. The most important screw is the black one." continuous hot and light feed wire goes on black screw traveler wires go on the brass screws 14/3 with ground or 12/3 with ground wire best to use between switches WATCH all videos below for 3 gang 2 way light switch | Light wiring Each of the gangs (or switches) above in Fig 2 (of which there are three) work like this (Fig 3): In position 1 (when the switch is down or ‘on’), COM and L1 are connected together (just like the one way switch) position 2 (when the switch is up or ‘off’), COM and L2 are connected together. 3-Way Switch Wiring Diagram - buildmyowncabin 3-Way Switch (Light Between Switches) Below I've shown two variations of wiring a light between 3-way switches. Option #1 is for power into the first switch, then wire to the light, and lastly wired from the light to the other switch. 3 Ways Switch Wiring Diagrams | Printable Diagram Free 3 ways switch diagrams are available in this post for your who are looking for reference and illustrations on how to set a 3 ways switch wiringe way switches are very popular since it can be used to adds and ease lighting in large rooms. However, wiring a three way switch 3-way Switch Wiring - Electrical 101 3-Way Switch Wiring Diagram Line to Light FixtureLine voltage enters the light fixture outlet box. No longer allowed after 2011 NEC (if no neutral wire in switch boxes) 3-Way Switch Wiring Diagram Light Fixture Between SwitchesLine voltage enters the first 3-way switch outlet box, light fixture is located between switch boxes longer allowed after 2011 NEC (if no neutral wire in switch boxes) 4 Way Switch Wiring Diagram - Easy Do It Yourself Home A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring [FAQ] GE 3-Way Wiring - FAQ - SmartThings Community Apr 16, 2018I’ve decided to put this FAQ together to help those with questions about installing GE 3-way switches. Definitions of terms: Line: The hot wire from the breaker (usually black) Neutral: The return wire for circuits (usually white) Load: The wire that will be hot when the circuit is completed to your light (usually black) Traveler: In existing 3-way wiring, this wire toggles hot between two Wiring a 3-Way Switch - how-to-wire-it How to wire a 3-Way switch. Wiring a 3-way switch is a little more tricky than wiring a 2-way switcht of all we need to go over a little basic terminology on switches.