Discussion in 'Electrics UK' started by ringolad, 20 Feb 2012. ringolad . DOH!! When you control a light in two separate switches, you actually have a three-way switch. Do not forget to use brown slewing on the blue wire! The way I show allows you to fairly easily add a second two way switch to an existing light switch by simply wiring them together in a certain way. I have taken a Two Way light switch off the wall, with the idea to replace it with a different one. When wiring a 2-way switch circuit, all you're really doing is controlling the power flow (Switching off/on) to the load (a light, lamp, ... on the side of the 2-way switch and a black wire from the other screw on the 2-way switch going to the load (light, ceiling fan etc..). 2 way switch; light not working; wiring; Page 1 of 2 1 2 Next > Blue_aro New Member. fig 2 . This is the new method to make a 2-way switch connection and it is slightly different from the two-wire control method. Wiring a Light Switch To wire a light switch, consider whether the circuit is ‘one-way’ (one light switch operating one light) or ‘two-way’ (two light switches operating the same light). This arrangement is often found in stairways, with one switch upstairs and one switch downstairs or in long hallways with a switch … When you are looking to wire a two way switch there are easy ways to do it and complicated ways to do it. A three-way switch has an extra terminal because a pair of three-ways has to be connected to each other as well as to power and the light. Dimmer switches need a specific installation and come in different shapes and sizes. In the lightbox, strip off the insulation of both ends of Romex to free the 3 wires within. A two way switch(uk) Schematic diagram of old wire colours : Schematic diagram of new wire colours : N.B. Double check with a voltmeter. Here two switches are wired in the same box to control two separate lights. A dimmer switch is just like any other standard light switch, only it gives you the opportunity to adjust the brightness of your lighting body. Two way switching with the old wiring colours- Before undertaking any electrical project, it is imperative that you know precisely what it is you're doing and to keep in mind that electricity can kill. Additional problem is that the wires are not marked properly. One source is spliced to each switch with a pigtail to power the two lights. I am guessing that one of your three-way switches broke down. Therefore, the 2 switches + the light = 3 way. This will allow you to connect the first light as you described above, and to run this additional light from the same switch by utilizing the red conductor in the 3-wire as the “switched” conductor, and the black wire as the continuous hot wire. An example of a 3-wire lighting circuit is shown in Figure 2. A double light switch is used to turn two separate light sources in one area on and off. Two-way electrical light switches and 3-way light switches are the same thing, they just have different names according to country. Hi guys I have a light in attic controlled by a switch up there (1 gang) and one in level below (2 gang). The cable going to the light switch is connected as follows (fig 2). Depending on the type of two-way dimmer switch, it may or may not be able to be installed at a three-way switch. The exact wiring connections will depend on how the circuit is now configured. The source is at the switch box and a 2-wire cable is run to each light. A three-way light switch is one where you have two switches that have the ability to control the same light or set of lights. Thanks for you help! But no matter the type of light switch you have, they are all installed pretty much the same way. If yours does not match the system shown here, that doesn't necessarily mean they are unsafe. Assuming your two way switch wiring uses the ‘old’ core cable colours i.e Red (live), Black (neutral) and Green/Yellow (earth) for cables A, B & C then Fig.1 shows the most common way your ceiling rose will be connected in a 2 way lighting circuit.. Click Here – If the cables A, B & C in your house have Brown (live), Blue (neutral) and Green/Yellow (earth) cores. Video. How to Connect 2-way Switch Wiring using Three-wire control. 2 way switching means having two or more switches in different locations to control one lamp.They are wired so that operation of either switch will control the light. The switch you are looking for is a ‘Single Pole Double Throw – On/On’ 12v switch. Also, the same wiring circuit diagram can be used for 2-way lighting or controlling electrical appliances from two different places by using two-way switches. Figure 2: One example of a 3-wire lighting System. The wiring consists of two red wires + one red loop, one black wire and earth. See more ideas about ceiling rose wiring, light switch, home electrical wiring. Wiring Two Switches for Two Lights. This topic explains 2 way light switch wiring diagram and How to wire 2 way electrical circuit with multiple light and outlet . This allows you to turn the light on and off from one spot in the house. However, when people talk about a two-way dimmer switch they are often referring to a dimmer switch that you tap on and off and hold to dim or brighten lights. L1 is off when L2 is on and vice versa depending on the switch position. This diagram illustrates wiring for one switch to control 2 or more lights. You can observe in the schematic that both the COM terminals are connected together. Double light switch wiring diagram. Now as for the ground wire. You can see a diagram at Electrical 101. I current have a wall switch (double) with 3core+earth and want to know how to wire them to switch 2 lights on/off independantly. You can use a two way switch for one way switching. As it is on the top floor it would make cable access the easiest. Not sure what the previous residence did but light not working. Behind the light switch there are two red cables and one black cable (There are earth cables too, but I haven't touched those). An outside light provides security and decoration for your home. The bare ground has no insulation. For convenience, outdoor lights are usually wired to a light switch that can be operated from inside the house. The white wires are wire nutted together so they can continue the circuit. See below links to various images of wiring diagrams for installing Varilight products. This video shows how to wire a two way light switching circuit, or a two way lighting circuit. However, I forgot to mark out which cable went into which terminal. To change from two switches to a single switch to control a light the wiring configuration will need to be changed at both switch box locations. Just ignore the L2 terminal. 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