On one of the 3 way switches a line or hot wire gets connected to the copper or black screw terminal. The common screw may be located in a different spot on your 3 way switch than the location indicated in the drawings above but make sure that the wire indicated in the drawings to be connected to the common screw is connected to the common screw of the switch.
The Three Way Switch
3 way switch power at light. If there are lights in your house that can be controlled from two different light switches as opposed to just one then the light is commonly referred to as a three way light and the switches are referred to as three way light switches. How three way light switches work. Add an electrical box for the second 3 way switch in the basement. 3 way switch wiring methods 1 upside down up on the ceiling by the light or 2 on the wall by the switch. Either way complete these five steps for 3 way light switch wiring. Its likely youll also need to replace the.
Three way light switch with power feed via the light. Its likely youll also need to replace the. Two three way switches control one light with the electric power coming through the first switch flowing to the second switch and then to the light fixture. In this light switch wiring diagram the power feed joins the circuit via the light fixture where a two wire cable c2 runs from the light to the first 3 way switch sw1 and a 3 wire cable c3 joins the two switches. Be sure to mark the white wire as noted so if any future repairs or replacement is needed whoever goes into the box will know it is marked as a hot wire. A three way wall switch is a common type of light switch that makes it possible to control a ceiling light or other electrical fixture from two different locations in a room.
Wiring a 3 way switch with the power coming in through the light and flowing to the switches. On the other three way switch the load wire the load is the wire that feeds power to the light fixture gets connected to the copper or black screw terminal. The ground wire goes through both switch boxes and the ceiling light box and it is connected at all junctions except the light with a pigtail short piece of wire and wire connector. Power to light to light to switch to switch. Turn off the correct circuit at your electrical panel. In a hallway or large room for example installing three way switches at both ends lets you turn the light fixture on or off from both locations.
The correct wire must be connected to the common screw of a 3 way switch otherwise the switches will not control the light fixtures correctly. Heres how they work. The hot source is spliced to the white wire which should be marked as being hot with black tap and run through to the common terminal of sw1 and from here the hot from the light is spliced through to the common.
Gallery of 3 Way Switch Power At Light
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