3-way light switch hookup, watch a video to learn how to replace a 3-way switch
The 3-way circuit is a very common system found within most residential installations.
How to Wire a Basic 3-Way Switch
Drill holes as needed in the framing and fish a new cable through the wall back to the old switch position. Use a stud finder to find potential obstacles, such as framing.
Follow the instructions below to wire your basic 3-way switch. It doesn't matter which traveler terminal is used for which traveler wire, reversing them should make no difference.
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About 3 Way Switches Three-way switches have 3 terminals to carry Best flirting online dating electricity and one terminal for a ground wire.
Three Way Switch Wire Diagram- Power to Light Switch This three way switch wiring diagram shows how to wire the switches and the light when the power is coming to the light switch. Watch a video to learn how to replace a 3-way switch Figure A: The dimmer switch is in this box where the hot is connect to the common wire.
The neutral runs directly from the dimmer box to the light fixture. Fold the wires back into the box and screw the switch into place. Source and Light Between Switches In this arrangement the source for the circuit is at the light fixture.
If wires going to switches and fixtures are going to be exposed to dampness, use wire designated for damp locations. 3-way light switch hookup ground wire is pigtailed throughout.
Attach the wires to the switch Clamp the first electrical box to the wall. White wire taped with black electrician's tape from the nearest switch to a traveller wire that connects the second or end light, then pigtailed to the brass fixture terminal.
This takes extra effort because you have to cut into, and later repair, finished surfaces.
Or feed the cable down into the basement or crawl space, then come back up. However, some older metal boxes and most plastic boxes don't have a terminal like this.
Add an extra foot for every connection you will make along the line. Avoid touching the screw terminals until you confirm that the power is off with your voltage detector.
At a glance, 3-way switches look the same as the common single pole switch, but instead of having only two screws on which to make your connections, they have two connections on one side, and one on the other.
How to Wire a 3 Way Light Switch (with Pictures) - wikiHow
Add 1 for each hot or neutral Add 1 for all ground wires combined Add 1 for all internal cable clamps combined Add 2 for each switch, or receptacle Multiply by 2 cu. The red wire and marked white wire travelers connect the traveler terminals between the two switches.
Otherwise, the sheathing could snag or the clamp could break. In any case, the traveler wires will usually be the same color to distinguish them from the common wire.