3 Cables In Light Switch Box. The hardest run for a new cable is between this set of three way switches and the basement light. All earth wires should connect to the earth terminal in the switch back-box and if you are using metal switches there MUST be a loop from this earth terminal to the one on the switch plate.
As shown in the diagrams below, you can paint a couple of inches of the end of the white wire black—or.
The hardest run for a new cable is between this set of three way switches and the basement light.
Three-way switches allow for controlling a light fixture from two separate locations, these are usually used at the top In this diagram, the electrical source is at the first switch and the light is located at the end of the circuit. Install the four light fixture boxes in the area that you want to illuminate and secure the light switch box near the entry door to the room. Installing a second light switch to allow you to control lights from two locations is a project that almost anyone can complete successfully.
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