If your single light switch is currently operating two light fixtures, you can add a double light switch to allow those lights to operate separately. Light wiring diagram; Getting started. If you have a metal face plate for your switch there should also be a green and yellow earth wire to a small terminal on this. A double gang light switch is designed to fit in a single-gang switch box, yet it offers the capability of controlling two separate circuits. If this is a new fixture, hold it up against the wall and mark the position of the screws with a pencil on the wall. By signing up you are agreeing to receive emails according to our privacy policy. 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 Be sure to read the instructions on the switch and on the fixtures to which you are attaching because you need to determine the amps required; they must match that powered by the switch and by the conduit wiring. Based in Atco, NJ, Dave Donovan has been a full-time writer for over five years. Look at the terminals on the double gang switch. How to Connect 2-way Switch Wiring using Three-wire control. Double switches, sometimes called "double pole," allow you to separately control the power being sent to multiple places from the same switch. Look at the terminals on the double gang switch. Utilising the existing electrical box eliminates the need for a larger electrical box. If you feel at all uncomfortable working with electricity, call an electrician. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. On the other side you will see two screws with no metal bridge. The green screw is for the grounding wire. Be extremely careful with these wire while the power is on. This is done so both light circuits will receive power from the same source. Though it is not difficult to wire a double switch, careful attention to safety is crucial to prevent injury. Learn the tech tips and tricks that everyone should know! This arrangement is often found in stairways, with one switch upstairs and one switch downstairs or in long hallways with a switch … The cable coming from the first light switch is connected as follows (fig 5). Double-Pole Switches and Wiring. All tip submissions are carefully reviewed before being published. The remaining three go to the three light fixtures that the switches will control. Our dimmer switches are 2 way, ie can be used for switching lights from either one or two places, but the other switch needs to be a standard rocker, dolly or on/off dummy dimmer switch. This method is commonly used nowadays as it is efficient than the Two-Wire control system. Make a Double Light Switch From a Single Light Switch, Electrical wiring difference between single pole & double pole switches, Proper wiring of a single pole light switch. This article has been viewed 452,514 times. Make sure there is enough wire exposed to make a connection with the terminal. It's possible that the switch you removed was one of the two that controls the non-functioning light. His articles are featured on hundreds of websites, and have landed him in two nationally published books "If I Had a Hammer: More Than 100 Easy Fixes and Weekend Projects" by Andrea Ridout and "How to Cheat at Home Repair" by Jeff Brendenberg. In position 2 when the switch is up or off com and l2 are connected together. Let everyone in household know that you are working on the electricity. Essentially, 2 black wires are attached to the bottom dark screw of one switch. 2. Make sure you remember to attach the grounding wire. fig 5. One source is spliced to each switch with a pigtail to power the two lights. This earth wire should be connected to the metal box in the wall called a pattress box. Connect the pigtail to the ground screw on the double gang switch. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. If there are two black terminals on the same side, it does not matter which one you attach the feed to. Manufacturers don’t make decorative one way switches. The black wire should have a piece of red sleeve or tape around it to indicate this. You should do the same thing if you see this is the case in your old switch. For example, you might want to turn on a bathroom light separately from the ceiling fan. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Then, mimic the wire connections on the old double light switch by wrapping the ends of the hot wires around these screws. Note: This article only describes installing the switch itself, not rewiring two conjoined feeds that need to be separated. This article has been viewed 452,514 times. The switches are situated one on top of the other, and instead of the traditional switch plate, an outlet plate is used to finish the installation. To switch from two locations youll need 2 two way switches and wire them together in a particular way. Test your switch to make sure it works properly by turning each switch on and off. The white neutral wires do not connect to the switch, but are joined together with a wire nut. A switch with three wires could be used for a hall light with a switch at each end. As you can see in the Schematic Diagram of 2 way switch circuit below, the common of both the switches are short … You can never be too careful when working with electricity. Tighten down the second screw on that side. Wrap the terminals with electrical tape and carefully push the switch into the box. A double-gang switch is also available. Connect the pigtail to the ground screw on the double gang switch. Connect the feed line to one of the screw terminals on the side that has the metal bridge. There are 12 references cited in this article, which can be found at the bottom of the page. You should still wear gloves and grounded, rubber soled shoes in order to be safe while working. The red wire is connected to the (L1) terminal, the black wire (marked with red tape or red sleeving) is connected to the (L2) terminal and the earth wire is connected to the earth terminal. Use the wire strippers to remove about 3/4 inch of insulation from each insulated wire in the box. What can I do? You should have 3 or 4 exposed wires coming out of the switch box. For 20, 32, 40, 45 & 50 Amp Double Pole Switches. 2-Way Wiring. When you’re wiring decorative light switches such as chrome or stainless steel etc, you’ll find that the switch will also have an L2 terminal which means it’s a two way switch. To wire a double switch, you'll need to cut the power, remove the old switch, then feed and connect the wires into the double switch fixture. A one way light switch is quite easy to wire up. The switch puts power out to one wire or the other, like a valve for water that goes in two directions. To create this article, volunteer authors worked to edit and improve it over time. All type of light switches explained . as you can have a switch at the bottom and the top of the stairs. Learn how to install a double switch or combination two switches. Connect the three ground wires together along with a pigtail with a wire connector, wrap it with electrical tape and stuff it back into the box. Last Updated: March 29, 2019 A double gang light switch is designed to fit in a single-gang switch box, yet it offers the capability of controlling two separate circuits. How to wire a light: lighting circuit diagrams and visual aids, step by step easy to follow guides. 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. Anticipate emergencies and have a first aid and emergency response kit on hand, even if you think you can handle things. Thanks to all authors for creating a page that has been read 452,514 times. Then, use your wire strippers and strip away about 5/8 of an inch of the insulation from the wire. If you look inside an existing wired in two way switch you will see quite a few wires of differing colours. This can be confusing. Just ignore the L2 terminal. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. This diagram illustrates wiring for one switch to control 2 or more lights. This is the new method to make a 2-way switch connection and it is slightly different from the two-wire control method. It will either be 12 or 14 gauge wire. Connect the cables as shown in the diagram. By using our site, you agree to our. Usually the correct circuit is labeled, but if it is not you should turn off all the power in order to be safe. Using a power drill, make holes where you marked and drill the holes, screwing the light fixture into these holes. It is one black wire from the power source (hot wire) and a black wire from the neighboring switch. Simply touch the end of the detector to the light fixture in several places. Live circuit to determine the hot wires around these screws & 50 double... 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