2 way light switch (3 wire system, new harmonised cable colours) 2 way switch (3 wire system, old cable colours) 2 way switch (two wire control) Three way switching. Cecilia Harsch has been writing professionally since 2009. I bought a 2 gang 2 way switch. 3 way light switching (new cable colours) 3 way light switch (old cable colours) 3 way light switch using a two wire control; News & Updates; Open Menu. I attach drawing of the two switches. Connect the three bare copper wires together with another red wire connector. Wrap the black power supply wire around one of the copper screws. 4 - move the red wire in switch B to terminal C. 5 - move red wire of switch B to terminal 1. Test to verify that you have disconnected the electricity in the area you are working to avoid electrical shock. Free-ed.net: Installing Convenience Devices. Cover the two single pole light switch device with an outlet cover plate. Some gang boxes are in locations that do not allow the box to be expanded to add a separate light switch. The power supply connects to the first light: Connect the white wire from the power supply to the white wire from the light. Discover (and save!) Check all wires for current with your voltage tester. Right lamp is lit all the time. Connect the black wire from the first light to the switch. Jul 27, 2017 - This Pin was discovered by Spencer. Go to the service panel and turn off power to the circuit you will be working on. Looks like one is switched and one stays on. 6 - The red wire of light A should go to terminal 1 on switch A. She has several years of experience in the home-improvement industry, focusing on gardening, and a background in group exercise instruction. With some basic tools you can easily do the wiring yourself, whether you are adding a light to an existing light circuit or adding a completely new circuit. Connect the three white wires inside the gang box together by twisting a red wire connector on all three wires. She attended Tarrant County College and studied English composition. Thanks for the reply, however, I'm not entirely sure what any of that really means, I have a general grasp on wiring but this one has me stumped. Two-way switching. Connect all bare or green wires together and to the boxes if they are metal. Three-wire cable is supplying the source for the switches and the black and red wires are each connected to one switch. Connect the black wire from the power supply to the white wire of the cable connected to the switch. How to Wire a Light Switch Learning how to wire a light switch is one of the basic skills that every homeowner should do. The switch is for working two room lights separately. As a homeowner, you will likely need to replace a light switch many times and paying an electrician is not optimal when you can do it in just a few minutes. Just so our american friends know what is going on ! Hunker may earn compensation through affiliate links in this story. By creating an account you agree to the Hunker. Turn on the breaker inside the main breaker panel that supplies electricity to the light switch gang box. The wiring consists of two red wires + one red loop, one black wire and earth. If switch B is closed to terminal 2, left lamp will light. Can you post the back side of the switch? You'll learn two methods in this article: use the first when the power source comes in at the first light and the second when the power source comes in at the switch. Tighten all three screws to hold the wires to the combination two single pole light switch device. Adding an additional light fixture and powering it from an existing gang box is not complicated if you expand the existing gang box and power both lights with separate switches. Adding an additional light fixture and powering it from an existing gang box is not complicated if you expand the existing gang box and power both lights with separate switches. Push these two sets of wires into the back of the gang box. Most of the people here are from North America. Attach the white from the second light to the white from the power supply. Changing switch for lights in basement, confused on current wiring.