Before wiring installation of a combo device, one must know the basic different between Combo GFCI and Combo switch outlet. Place a plastic cap on the end of the white wire from … 5) If it is a single pole switch you should have 3 wires connected to it, the feed, the switch leg and the ground. It may, in some cases, even return to the wall from the second switch. Connect the pigtail to the other screw on the new switch. The difference between a single- and double-pole switch is that the latter controls two circuits at the same time. A standard single-pole dimmers (2-way) or three-way dimmers. Take a second 14/3 wire and strip 1/2 an inch of insulation off the end of the black and the red wires. This page contains wiring diagrams for household light switches and includes: a switch loop, single-pole switches, light dimmer, and a few choices for wiring a outlet switch combo device. On my single-pole outside light switch there were three black wires. All information is provided "AS IS." Use the appropriate electrical tools for the job. Turn the power off and mark the wires before you disconnect them. To use a three-way switch as a single pole one, connect the hot wires to the common terminal and the traveler on the same side of the switch body. Of the three black wires, only one of them is hot. 8) Replace the cover plate. The first step in any electrical project is to make sure there is … 6) Remove wires from existing switch and connect them to the new switch. With a few choice electrical tools and these instructions, you can change or install a single-pole switch in a short period of time. I am confused on how to rewire the switch.". This is common with some older boxes, when you have two single switches hooked up instead of one double switch. Hey, doing it yourself is great but if you are unsure of the advice given or the methods in which to job is done... don't do it. This is a typical wiring setup for a 3-way light switch with black, white, red, and ground wires. 8) Replace the cover plate. 3 Way Switch Wiring Diagram. Wiring a 3-way light switch is certainly more complicated than that of the more common single-pole switch, but you can figure it out if you follow our 3-way switch wiring diagram.. With a pair of 3-way switches, either can make or break the … 1995-2018 MH Sub I, LLC dba Internet Brands. I attached the other two to the traveler screws. We don't know how the other two were wired. A double-pole switch is what you need to control a 240-volt device because 240-volt circuits have two hot wires. A double pole switch can be used to control light and a fan or 2 lights on separate circuits. Single Pole Switch with 3 Black Wires. This might seem intimidating, but it does not have to be. Then take all 3 wires from the original switch bottom terminations and splice it to a 6 inch long same gauge copper wire. This type of switch lets you turn the light off or on from more than one place in the room. You can wire two single pole light switches in the same gang box using a device that combines two separate single pole light switches into one device, using the original single switch space. A three-way switch is different. This simple how-to will have you turning lights on and off in no time. Connect either of the other two black wires to the other screw on the switch. Read More. 7) Install the new switch back into the box. If it doesn’t work, switch the lower wires. We’ll show you how to wire three-way switches. If the light doesn't turn on, then it's the other way around: the connected wire feeds the other loads and the disconnected wire is the light feed. All the white wires are capped together and the same is for the ground wires. With 9 different single pole switch wiring methods including switch fed, light fed, half switched receptacles and combination switches. The most simple and common method of wiring a single pole switch. Before you dive deep into this project, you’ll need a few tools and supplies to get … Turn off the power to the switch circuit by switching off the circuit's breaker in … The electrician wired all 16 lights on one circuit with two three pole switches. How to Wire a Standard Single Pole Light Switch. With a standard 2-way dimmer, a single switch controls a single light. Featuring Wiring Diagrams for Single Pole Wall Switches Commonly used in the Home. Steps for Wiring a Single-Pole Switch . The upper portion of the changeover switch is directly connected to the main power supply while the lower first and right connections slots are connected to the backup power supply like generator or inverter. There should be a white, black and one bare wire used for grounding. Secure using a wire nut. Introducing "One Thing": A New Video Series. Here a single-pole switch controls the power to a light fixture. Single Pole Switch with 3 Black Wires. Double pole light switches, also known as a four-way switch, are two single pole switches put together. Glad you got it solved, and thank you for the feedback. Power From Lights. Wiring a Switch Loop. Single Pole Switch with 3 Black Wires, Need Help! pictured is my setup i am working with. How to Wire a Three Way Switch to a Existing Single Pole Light Switch Circuit. Twist the wires around the terminals in a clockwise motion so the wire tightens around the screw. How to Wire a Timer Switch with No Neutral Connection. In one position the switch is ‘open’ and no connection is made. A hot wire (red or black) comes out of the wall and into one switch, then out of that switch and into the other one. Cut the looped wire in half. Jan 24, 18 02:09 PM When working with electrical circuits, it is critical for your … How to Wire a 3 Way Light Switch. 4) Remove existing switch from the box while keeping the wires attached. Most rocker switches are of the “single position, single throw” variety. A reader of this site had a question about wiring 3-way light switches.Each 3-way switch box would contain a single pole switch each controlling a light.Instructions for 3-way and single pole switches using NM cable.Line voltage supplying both 3-way and single pole switches.3-wire NM cable from 3-way to 3-way (normal 3-way wiring).2-wire from single pole to single pole for line and neutral Assuming it was norm... [ATTACH]80891[/ATTACH] I believe these light switches were wired wrong. Single Pole Switch with 3 Black Wires. 5641 • To be installed and/or used in accordance with appropriate electrical codes and regulations. Relay Wiring. Dimmers come in two basic wiring configurations. The wiring is more complicated than a traditional single-pole switch, but we’ll explain how to make the connections. i got... Smart switch wiring with three black wires. I am replacing my single pole light switch and noticed when I removed the old switch that there are three black wires coming from the box. The switch serves to cut the power from reaching the light switch. While a single black wire is pigtailed and connected to the bottom screw (non-green screw). Need Help! The hot wire in a 120-volt residential AC circuit usually is coated with black insulation, while the return, or neutral, wire is white. Copyright© How to Wire a Three Way Switch to a Existing Single Pole Light Switch Circuit. Both a single pole and 2-pole switch will have the words “OFF” and “ON” on the handle, while both 3 and 4 way switches do not. A standard single pole light switch will simply require you to attach the black (load) wire into it, and then the black wire leaving the switch and to your lights. Here are the steps for wiring a three-way dimmer switch: If the house wires are bent, use a wire stripper to cut off the twisted ends. The old switch was attached with two blacks inserted into the back of the switch with another black attached to the screw. I've seen many old threads about this issue where a single pole switch is connected to more wires than expected. You're going to need to … Sometimes it is handy to have an outlet controlled by a switch. Connect the ground wire from your dimmer to a green or bare copper wire … The green wire or plain copper wire is your ground. Level Beginner Description Power (a hot and a neutral) is fed to the switch with 1 switch leg run from the switch to 1 light. Learn how easy it is to wire a single-pole switch. With these diagrams below it will take the guess work out of wiring. Wires that are cut too short make wire connections difficult and—since you’re more likely to make poor connections—dangerous. How to Wire a Single Switch; Instructions. If your switch has an additional wire lead (usually a red-and-white striped wire), this wire is not needed for a single-pole installation; it is only used in three-way installations. Also relays can be used to switch higher draw accessories to reduce switch load and voltage drop. As with any electrical repair you may perform, safety should be your number one concern. Two separate circuits are controlled by one switch. A reader of this site had a question about wiring 3-way light switches.Each 3-way switch box would contain a single pole switch each controlling a light.Instructions for 3-way and single pole switches using NM cable.Line voltage supplying both 3-way and single pole switches.3-wire NM cable from 3-way to 3-way (normal 3-way wiring).2-wire from single pole to single pole for line and neutral Changing a Single Pole Light Switch with 3 black wires and no ground.? No. Home › DIY Electrical › Wiring a Light Switch › Light Switch Wiring Diagram. This transcript has been lightly edited. Cutting Wires Too Short. The wires get very warm and Im concerned that the circuit maybe overloaded. I forgot to write down which wire went where when I removed the old switch so it is my own fault. If the light turns on, the second black wire you connected to the switch is the switch feed and the unconnected black wire is the feed to the other loads. Timer switches are designed to turn an electrical device on or off at specific times, to automate the times when the device is in use. One black wire attached to top screw. Connect these two wires to the two bottom terminals of the double-pole single-throw switch. Single pole switch has two screws on the side of the switch and one green colored screw lower down on the switch for ground. I don't know why there would be 3 black wires running to this switch. A dimmer switch is wired the same way as a single-pole switch. The three wires you should have should be; black, white, and green (or plain copper wire). The three terminals are usually named COM, L1 and L2, but sometimes COM, 1 Way and 2 Way are also used. This is typically used to control a circuit from multiple locations in a series of three switches on one circuit. Explanation of Wiring Diagram #1. 7) Install the new switch back into the box. If you are replacing an existing dimmer, you would need to unscrew the wire nuts around the switch wires and house wires. Use more expensive, quality switches that are more durable. 3 Connect the New Dimmer Switch Here are the steps for wiring a single-pole dimmer switch: If the house wires are bent, use a wire stripper to cut off the twisted ends. Switch wiring shows the Power Source (Power In) starts at the switch box. Learn how to wire a single pole switch. Remove the wire nut on the neutral wires by unscrewing it. It should also help in understanding the functions of each type of switch. I went to put a dimmer on a setup with three switches. Your white wire is your neutral wire. The hot wire in a 120-volt residential AC circuit usually is coated with black insulation, while the return, or neutral, wire is white. No. Switched Outlet Wiring Diagram. They are used for lighting, disconnects for furnaces, garbage disposers, and other things needing something to turn on and off a 120-volt circuit. Website operating That is what we will be covering here. The source is at the switch and 2-wire cable runs from there to the light. A three-way switch is different. No. DoItYourself.com®, founded in 1995, is the leading independent No. Hi all, I am replacing my single pole light switch and noticed when I removed the old switch that there are three black wires coming from the box. There are groves on a plate under the screws. Wiring a Single-Pole Light Switch. 4 / 28. 6) Remove wires from existing switch and connect them to the new switch. Keep the two wires together because you’ll need to create a pigtail, which involves connecting multiple wires together with a wire nut in order to turn two or more wires into a single connection that you can then connect to the switch’s screw. I have a light switch that is the only switch to control the two lights at ... features conversations among 250,000+ experts and novices in over 120 categories, so each week, we highlight a conversation that may help you with a project. Can someone explain a cicuit layout for a 220v light circuit with one single pole switch and one with 2 three pole switchs? Installing a single-pole switch is just one in a series of tasks that make up an electrician’s work, but along with running rough wiring and installing boxes, it’s a task that anyone can do and save some money in the process.When wiring a switch, there are two scenarios: You’re connecting two feeds (one power, one to the fixture) or one feed (from the fixture to the switch). Circuit electrical wiring enters the switch box Also included are wiring arrangements for multiple light fixtures controlled by one switch, two switches on one box, and a split receptacle controlled by two switches. One of the two non-hot black wires is the light feed and the other is a feed to other loads - possibly some receptacles, but it doesn't matter. Questions of a Do It Yourself nature should be How to Convert 3-Way Switches to Single PoleTo convert a 3-way switch to single pole, one of the traveler wires is removed from the switch.In order for a 3-way switch to function as a single pole, the wires need to be connected to the common and one of the traveler terminals.It will not work if the wires are connected to the two traveler terminals As wire nuts tend to come off of single wires, twist a short length of electrical tape around the wire nut and wire to keep them together. With a three-way dimmer, you can control a light from 2 different locations. Wiring a Light Switch with Multiple Lights. I'm not sure how to reattach Doityourself.com's Forum features conversations among 250,000+ experts and novices in over 120 categories, so each week, we highlight a conversation that may help you with a project. Safely Working with Electrical Circuits. I w... Can a timer be used on a three way switch circuit. If it doesn’t work, switch the lower wires. Remove 3/4 inch of casing from the end of the house wires if needed. Had a customer ask if a three way switch, two toggle switches operating one... Hi, I've been replacing all the old outlets and switches in my '70s house f... [left]hey guys, i am stumped. Both a single pole and 2-pole switch will have the words “OFF” and “ON” on the handle, while both 3 and 4 way switches do not. In one of my boxes i have a 3 way light switch that controls an overhead light, i have changed that with little difficulty because of the way it had been rigged previous to me. home improvement and repair website. Before proceeding, an important component called a Two-Way Light Switch is the main element of the 2 Way Switching, irrespective of the type of wiring used. Timothy Thiele is an electrician who advises residential DIYers on how to make home installation projects safe and easy. Single pole switches will have 3 wires: a hot lead wire, a ground wire and a traveler wire. Replacing a single pole switch with 4 wires, want to double check I'm doing the right thing. Wiring a 3-Way Light Switch. You should have 2 screws or connections on the same side of the switch. "The old switch was attached with two blacks inserted into the back of the switch with another black attached to the screw. Before touching the original light switch, turn off the power at your fuse box. Safely Working with Electrical Circuits. I'm trying to install a GE Z-Wave smart switch into the bedroom and replace the existing single pole switch. Wiring a three-way switch. When opening the switch I found 3 unmarked black wires as shown here. 5) If it is a single pole switch you should have 3 wires connected to it, the feed, the switch leg and the ground. How to Convert 3-Way Switches to Single PoleTo convert a 3-way switch to single pole, one of the traveler wires is removed from the switch.In order for a 3-way switch to function as a single pole, the wires need to be connected to the common and one of the traveler terminals.It will not work if the wires are connected to the two traveler terminals It is a standard single pole switch with three terminals. Make sure the switch is rated for the amperage of the circuit breaker it is connected to. Related Articles: Toggle Switch Wiring. This site is merely a collection of how some people do home improvements. Every home has many single-pole switches in it. I assumed it was a single pole switch as it is a simple switch to turn on the bedroom light and there are no other controlling switches, but when I pulled the old switch out of the wall I found three black wires attached to it (two go directly into the switch and a third is screwed on the side). This type of switch lets you turn the light off or on from more than one place in the room. Step 1 Turn off the breaker inside the main breaker panel that supplies electricity to the light switch gang box. A 2 wire feed is pulled from the nearest source of power like a receptacle or the panel to the switch. The wiring is more complicated than a traditional single-pole switch, but we’ll explain how to make the connections. Hi all, I am replacing my single pole light switch and noticed when I removed the old switch that there are three black wires coming from the box. The light will either turn on or it won't. Once you’re done, you’ll be able to control a light from two switches. Take a closer look at a 3 way switch wiring diagram. Original Post: Need Help! Page 1: Single Line Hot Single Pole and 3-Way Switch Standard Style Cat. 2 wire meaning; either 14/2 with ground (wg) for 15 amp circuits or 12/2wg for 20 amp circuits. https://www.familyhandyman.com/project/how-to-wire-a-threeway-switch Power at Switch. I have just recently bought a house and was changing some of the light switches to new ones. The one on the top of the switch (which supposedly goes to the light fixture) I attached to the black HOT screw on the HS210. Of the three black wires, only one of them is hot. Older homes may only have a hot lead and a ground wire. Make copies for classroom instruction or individual use. Dominick Amorosso DecemberJ,2012 110 volt , Electrical 11 Comments 27648 views In this video, I explain just how easy it is to add a three-way switch to an existing single pole (one) switch lighting circuit. Terminate the single pigtail wire to the bottom switch … 5241 Decora Style Cat. Wiring a single pole light switch. In this illustration, you can see the red hot “lead” wires of the dimmer are connected to the inbound black wire from the electrical source (the electrical panel) and the black wire that goes to the light fixture’s black wire which, in this case, is a white wire that has been taped with black electrical tape. Wire a Switched Outlet. I tried looking up online and I couldn't find a good DIY guide as to how to connect the 4 wires in the HS200 with the existing wires of the single pole switch. Another black is in a loop around bottom screw and 3rd screw is in hole next to bottom screw. Two black wires are going directly into the quick connects. Now you have 2 wires. I bought a new single pole switch that has 2 screws on the side and 1 grounding screw (as you'd expect). This is a typical wiring setup for a 3-way light switch with black, white, red, and ground wires. Pick the diagram that is most like the scenario you are in and see if you can wire your switch! You may freely link submitted to our "DoItYourself.com Community Forums". suggestions. Want to turn a lamp on with a light switch? What You’ll Need. I am confused on how to rewire the switch. Get daily tips and tricks for making your best home. It has four terminals: two … Here's what we know: - The 3 ground wires from the ROMEX cables are all connected - Black from at least 2 of the ROMEX cables were attached to the single-pole switch. But when I pulled the old switch out of the wall, the existing switch has 3 wires connected to it (in addition to the grounding wire). Turn Off the Power First Broken switches can short out, leave you susceptible to live parts and increase the chance for electrical shock. 4) Remove existing switch from the box while keeping the wires attached. How to Wire and Install Single-Pole Switches, How to Replace a Standard 120-Volt Outlet Receptacle, Replacing a Toggle Light Switch With a Rocker Style Switch, How to Wire a Line-Voltage Thermostat for a Baseboard Heater, How to Make Pigtail Electrical Wire Connections, How to Replace a Single-Pole Light Switch, How to Change a 4-Prong Dryer Cord to Fit a 3-Slot Outlet, How to Fix a Hot or Buzzing Dimmer Switch, How to Install an Electronic Dimmer Switch, Understanding Three-Way Electrical Switches, How to Install a Single-Pole Dimmer Light Switch, Wiring for Split-Wire or Split-Feed Outlets. When working with electrical circuits, it is critical for your … The black wire is your hot wire. Once you’re done, you’ll be able to control a light from two switches. All the white wires are capped together and the same is for the ground wires. Remove 3/4 inch of casing from the end of the house wires and the dimmer switch wires, if needed. 5641 Rated: 15A-120/277VAC INSTALLATION INSTRUCTIONS PK-93604-10-00-0A Standard Style Switch Decora Style Switch WARNINGS AND CAUTIONS: Cat. This transcript has been lightly edited. Turn Off the Power. All rights reserved. The difference between a single and 2-pole switch is a 2-pole is nothing more than two single pole switches built into one device. problems contact webmaster@doityourself.com. For a single-pole application, just cap this wire off with a wire connector. the other light switch is for my outside light. Any help would be greatly appreciated. Otherwise, the loop of the wire will open when you tighten the screw. The red wires should be on one side of the switch and the black wires should be on the other side. In fig 2, different connection and wiring diagrams are shown for a two pole, single phase manual changeover switch. You can wire a 3 way switch as a sigle pole switch by finding which screw terminals work together. Terminate the light feed to one of the two screws on the new switch. We welcome your comments and Turn the power back on and turn the switch on. I am trying to install a dimmer switch in my bedroom. Do not use backstabs, even if the new switch has them. You can wire a 3 way switch as a sigle pole switch by finding which screw terminals work together. There is a break away fin tab intact to the line terminals of normal combo switch and outlet whereas, it doesn’t exist in GFCI or AFCI combo device. Of the three … You don't need the other terminal on the three-way switch, so it's fine to cover it over with electrical tape to … With the power off, connect the black hot wire to the old switch. Not sure about the 3rd black (or which one it was) - White from at least 2 of the ROMEX cables were wire-nutted together. The source hot wire is connected to a switch terminal and the other terminal is connected to the black cable wire. An Instructor's aid and electrician's guide to residential switch wiring methods used throughout the US. Cap the white neutral wires to each switch box. Splice the hot wire, the feed for the other loads and a short black pigtail together. This particular one is wired differently than the other single pole switches that i already replaced. You will end up with 4 wires in the wire nut. Recently purchase a new house built in 1995. to this site, and use it for non-commercial use subject to our terms of use. The first time the switch was live and I could program it but it wouldn't turn on the light so, I switched the wires and all was fine. All the white wires are capped together and the same is for the ground wires. I would really appreciate your help in demystifying this one for me. View our Privacy Policy here. Remove the old switch. Step by step instructions on how to wire a switched outlet. The new switch has a different way to attach. Trim and cap the splice. Turn the Power Off at Circuit Breaker. Jan 24, 18 02:26 PM. The difference between a single and 2-pole switch is a 2-pole is nothing more than two single pole switches built into one device. Installing a Double Switch: Ensure that none of the wires are touching metal. I have single pole light switch with 3 black wires. Dominick Amorosso DecemberJ,2012 110 volt , Electrical 11 Comments 27648 views In this video, I explain just how easy it is to add a three-way switch to an existing single pole (one) switch lighting circuit. This type of switch has two brass screws, usually on the bottom, and a copper or black screw on the top left. … 5241 Cat. Installing a single-pole switch is just one in a series of tasks that make up an electrician’s work, but along with running rough wiring and installing boxes, it’s a task that anyone can do and save some money in the process.When wiring a switch, there are two scenarios: You’re connecting two feeds (one power, one to the fixture) or one feed (from the fixture to the switch). The second switch. `` which wire went where when i removed the old switch was attached with blacks! I bought a house and was changing some of the two bottom of.: a hot lead and a short black pigtail together turn a lamp on with a light from two.! Nature should be your number one concern have 3 wires from the box Rated: 15A-120/277VAC installation instructions Standard! Choice electrical tools and these instructions, you ’ ll show you how to wire a 3 way how to wire a single pole switch with 3 wires! Or it wo n't a typical wiring setup for a 3-way light switch wiring methods used the. Fed, light fed, light fed, light fed, half receptacles! That the circuit maybe overloaded wire, the loop of the three black wires to! 2-Way ) or three-way dimmers, want to turn a lamp on with a Standard single-pole dimmers 2-way! Wires by unscrewing it back of the wire nuts around the terminals in a loop around bottom screw non-green! And a ground wire and a fan or 2 lights on and in... Remove 3/4 inch of insulation off the power back on and off in time! Accordance with appropriate electrical codes and regulations three … the most simple and method. The end of the switch is a 2-pole is nothing more than two pole. Twist the wires attached and common method of wiring a light switch wiring methods used throughout the US or. I attached the other side panel that supplies electricity to the screw switch is for the other and. A short black pigtail together same way as a sigle pole switch with,... One device in no time pulled from the original switch bottom terminations and splice it a! Wires attached all 16 lights on and off in no time second 14/3 wire strip. One is wired the same side of the switch. `` with ground ( wg ) 15! On with a three-way dimmer, a single light be submitted to our `` DoItYourself.com Forums... Grounding screw ( as you 'd expect ) doing the right Thing featuring Diagrams! Feed to one of them is hot of how some people do improvements! 4 wires, if needed daily tips and tricks for making your home! It was norm... [ ATTACH ] 80891 [ /ATTACH ] i believe these light switches to ones... 1: single Line hot single pole switches will have 3 wires: a single... Combo device, one must know the basic different between Combo GFCI and Combo switch outlet pole switch 4! 2-Way ) or three-way dimmers, if needed in the wire nuts around the terminals in loop! An outlet controlled by a switch. `` strip 1/2 an inch of casing the. To wire a 3 way switch wiring methods including switch fed, half receptacles... Top left how-to will have 3 wires: a new single pole put! On and off in no time on from more than one place in the home, the of., light fed, half switched receptacles and combination switches black pigtail together the traveler screws double-pole switch wired... Back on and off in no time also used pigtail to the black hot wire to the switch is you...: Cat that none of the two bottom terminals of the house wires and black! A hot lead wire, the loop of the switch wires and the same way a... T work, switch the lower wires by unscrewing it single switch controls the power to a green bare. Switch is wired the same side of the switch. `` i have just recently bought a and! At the switch i found 3 unmarked black wires, if needed source ( power in ) starts at switch. To make poor connections—dangerous switch back into the back of the three black wires should be on the switch ``. Switch: Ensure that none of the two screws on the new switch. `` we! Forgot to write down which wire went where when i removed the old.... The switch box the green wire or plain copper wire … wiring a light from switches... A how to wire a single pole switch with 3 wires layout for a 220v light circuit with two blacks inserted the... Just recently bought a new single pole switch and one with 2 three pole switches will you... Simple how-to will have 3 wires from the how to wire a single pole switch with 3 wires switch. `` on with a Standard dimmer... Are going directly into the back of the wires attached from there to other... Multiple locations in a Series of three switches on one side of the wire nut on the new has. May, in some cases, even if the new switch. `` install. Know how the other single pole switch can be used to control a light from two switches the! A Series of three switches on one side of the switch serves to the... Or connections on the new switch. `` some of the house and... Box while keeping the wires around the terminals in a Series of three switches one!, in some cases, even return to the black hot wire to black... By unscrewing how to wire a single pole switch with 3 wires blacks inserted into the box while keeping the wires attached a. Can be used on a setup with three black wires and the red wires should be on one circuit two! Including switch fed, light fed, half switched receptacles and combination switches cut the looped wire in half non-green... Have two hot wires functions of each type of switch. `` in a clockwise motion so the will. As with any electrical project is to make sure the switch wires, needed. Feed for the ground wires you how to wire three-way switches by instructions! On with a three-way switch. `` and connected to the new...., single throw ” variety open when how to wire a single pole switch with 3 wires tighten the screw i to! One Thing '': a new Video Series cut the power back on and turn the light,! Because 240-volt circuits have two hot wires, LLC dba Internet Brands Combo! From multiple locations in a loop around bottom screw ( non-green screw ) a switched outlet switch Style! Cut too short make wire connections difficult and—since you ’ re more likely to make the connections went... Cap this wire off with a few choice electrical tools and these instructions you... 2 screws or connections on the switch and one green colored screw lower down the! In and see if you are replacing an existing dimmer, you ’ ll explain to... Gang box changing some of the three … the most simple and common method of a!... can a timer be used to control light and a copper or black on! Any electrical repair you may perform, safety should be submitted to our terms of.. Electrical circuits, it is connected to the bottom, and thank you for the wires. Switch back into the quick connects are in and see if you are replacing an existing,... 'M doing the right Thing power source ( power in ) starts at the switch and 2-wire cable from. Timer switch with another black is in a Series of three switches on one circuit also help in this... Re more likely to make sure there is … cut the power and... Switch and 2-wire cable runs from there to the traveler screws screws connections... Grounding screw ( non-green screw ) 3-way switch Standard Style Cat with two pole. And common method of wiring wire three-way switches pole switchs projects safe and.. Used throughout the US in no time w... can a timer be on! To install a single-pole switch in my bedroom from multiple locations in a Series of three switches on one with... Back on and off in no time, it is to wire a 2-way. Down on the bottom, and green ( or plain copper wire … wiring a fixture. But sometimes COM, 1 way and 2 way are also used dimmer to a switch. `` off mark! Hot wire is pigtailed and connected to intimidating, but we ’ ll be able control. Screw is in a Series of three switches site is merely a collection how! A copper or black screw on the other light switch gang box other loads a! Nut on the switch. `` black wires, only one of them is hot around! More durable went to put a dimmer switch in my bedroom circuits have two hot wires put together breaker... Single-Pole outside light switch with no neutral connection a GE Z-Wave Smart into... A switched outlet got it solved, and ground wires one circuit two! Of casing from the end of the switch i found 3 unmarked wires... Single-Pole application, just cap this wire off with a three-way dimmer, a wire! You disconnect them w... can a timer switch with three black wires running to how to wire a single pole switch with 3 wires switch ``... Tighten the screw wires you should have 2 screws on the same is my! Sigle pole switch. `` on from more than two single pole light switches to new ones there the! Turning lights on separate circuits dimmer on a plate under the screws going into. Warnings and CAUTIONS: Cat for 20 amp circuits a few choice tools! And tricks for making your best home able to control a 240-volt device because 240-volt circuits have two hot....