The 3way switch is designed to interrupt the hot wire when its turned off The white wire coming straight from the power source goes uninterrupted into the light fixture while the hot wires are routed through the switches
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A 3way wall switch controls a common light or set of lights from two separate switch locations Two 3way switches are required in any 3way application This guide highlights the procedures for replacing a broken 3way electrical switch Before proceeding make sure you are comfortable working with electrical wires and switches
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Hasil web How To Wire a 3Way Light Switch DIY Family Handyman httpswwwfamilyhandymancom 5 langkah Bahan 143 or 123 cable Threeway switches 2 4in1 screwdriver 1 To add the switch youll use one of two wiring a light switch diagrams shown below depending on whether the power comes to your light switch first the most common situation or to the light fixture first Either way complete these five steps for 3way light switch wiring Turn off the correct circuit at your electrical panel Add an electrical box for the second 3way switch in the basement Pro tip Its likely youll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch Feed a length of 143 type NM cable or 123 if 2 This 3way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture In this diagram 3 This 3 way switch wiring diagram shows how to wire the switches and the light when the power is coming to the light switch In this diagram the incoming
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