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 pictured is my setup i am working with. The source is at the switch and 2-wire cable runs from there to the light. I would really appreciate your help in demystifying this one for me. 4 / 28. I bought a new single pole switch that has 2 screws on the side and 1 grounding screw (as you'd expect). This type of switch lets you turn the light off or on from more than one place in the room. With a three-way dimmer, you can control a light from 2 different locations. The red wires should be on one side of the switch and the black wires should be on the other side. 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 most simple and common method of wiring a single pole switch. 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. Otherwise, the loop of the wire will open when you tighten the screw. A three-way switch is different. In one position the switch is ‘open’ and no connection is made. 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. How to Wire a Timer Switch with No Neutral Connection. Of the three black wires, only one of them is hot. I'm not sure how to reattach Wiring a 3-Way Light Switch. All the white wires are capped together and the same is for the ground wires. We don't know how the other two were wired. The difference between a single- and double-pole switch is that the latter controls two circuits at the same time. A double pole switch can be used to control light and a fan or 2 lights on separate circuits. I went to put a dimmer on a setup with three switches. As with any electrical repair you may perform, safety should be your number one concern. A three-way switch is different. This is a typical wiring setup for a 3-way light switch with black, white, red, and ground wires. View our Privacy Policy here. This type of switch lets you turn the light off or on from more than one place in the room. https://www.familyhandyman.com/project/how-to-wire-a-threeway-switch Remove the wire nut on the neutral wires by unscrewing it. I have just recently bought a house and was changing some of the light switches to new ones. Now you have 2 wires. This simple how-to will have you turning lights on and off in no time. submitted to our "DoItYourself.com Community Forums". Wiring a three-way switch. That is what we will be covering here. Dimmers come in two basic wiring configurations. You can wire a 3 way switch as a sigle pole switch by finding which screw terminals work together. Want to turn a lamp on with a light switch? Page 1: Single Line Hot Single Pole and 3-Way Switch Standard Style Cat. They are used for lighting, disconnects for furnaces, garbage disposers, and other things needing something to turn on and off a 120-volt circuit. Power From Lights. Explanation of Wiring Diagram #1. The green wire or plain copper wire is your ground. Terminate the single pigtail wire to the bottom switch … Timothy Thiele is an electrician who advises residential DIYers on how to make home installation projects safe and easy. 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. 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. 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. When opening the switch I found 3 unmarked black wires as shown here. It may, in some cases, even return to the wall from the second switch. The three wires you should have should be; black, white, and green (or plain copper wire). to this site, and use it for non-commercial use subject to our terms of use. Before touching the original light switch, turn off the power at your fuse box. 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. 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. Older homes may only have a hot lead and a ground wire. 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. With the power off, connect the black hot wire to the old switch. You're going to need to … 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. No. You will end up with 4 wires in the wire nut. 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. 1995-2018 MH Sub I, LLC dba Internet Brands. Take a closer look at a 3 way switch wiring diagram. Related Articles: Toggle Switch Wiring. Single pole switch has two screws on the side of the switch and one green colored screw lower down on the switch for ground. 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. How to Wire a Standard Single Pole Light Switch. 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. The old switch was attached with two blacks inserted into the back of the switch with another black attached to the screw. Jan 24, 18 02:26 PM. 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. I am confused on how to rewire the switch. The black wire is your hot wire. problems contact webmaster@doityourself.com. Trim and cap the splice. Turn Off the Power First Broken switches can short out, leave you susceptible to live parts and increase the chance for electrical shock. All rights reserved. Switched Outlet Wiring Diagram. Safely Working with Electrical Circuits. All the white wires are capped together and the same is for the ground wires. If it doesn’t work, switch the lower wires. 2 wire meaning; either 14/2 with ground (wg) for 15 amp circuits or 12/2wg for 20 amp circuits. This transcript has been lightly edited. Make sure the switch is rated for the amperage of the circuit breaker it is connected to. 8) Replace the cover plate. The light will either turn on or it won't. Of the three black wires, only one of them is hot. Power at Switch. 6) Remove wires from existing switch and connect them to the new switch. Two separate circuits are controlled by one switch. This type of switch has two brass screws, usually on the bottom, and a copper or black screw on the top left. Of the three … You can wire a 3 way switch as a sigle pole switch by finding which screw terminals work together. 4) Remove existing switch from the box while keeping the wires attached. Turn the power off and mark the wires before you disconnect them. Single Pole Switch with 3 Black Wires, Need Help! 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. This is typically used to control a circuit from multiple locations in a series of three switches on one circuit. Use more expensive, quality switches that are more durable. Learn how easy it is to wire a single-pole switch. If it doesn’t work, switch the lower wires. This is common with some older boxes, when you have two single switches hooked up instead of one double switch. 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. 5641 • To be installed and/or used in accordance with appropriate electrical codes and regulations. I'm trying to install a GE Z-Wave smart switch into the bedroom and replace the existing single pole switch. Take a second 14/3 wire and strip 1/2 an inch of insulation off the end of the black and the red wires. The first step in any electrical project is to make sure there is … 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 I don't know why there would be 3 black wires running to this switch. No. Read More. Get daily tips and tricks for making your best home. It should also help in understanding the functions of each type of switch. Glad you got it solved, and thank you for the feedback. Cut the looped wire in half. 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. 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. Single Pole Switch with 3 Black Wires. DoItYourself.com®, founded in 1995, is the leading independent 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. You should have 2 screws or connections on the same side of the switch. No. Also relays can be used to switch higher draw accessories to reduce switch load and voltage drop. 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. Single Pole Switch with 3 Black Wires. One black wire attached to top screw. Turn off the power to the switch circuit by switching off the circuit's breaker in … Connect the ground wire from your dimmer to a green or bare copper wire … 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. the other light switch is for my outside light. I forgot to write down which wire went where when I removed the old switch so it is my own fault. Website operating The hot wire in a 120-volt residential AC circuit usually is coated with black insulation, while the return, or neutral, wire is white. With 9 different single pole switch wiring methods including switch fed, light fed, half switched receptacles and combination 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. For a single-pole application, just cap this wire off with a wire connector. A dimmer switch is wired the same way as a single-pole switch. Step 1 Turn off the breaker inside the main breaker panel that supplies electricity to the light switch gang box. Relay Wiring. On my single-pole outside light switch there were three black wires. 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 wiring is more complicated than a traditional single-pole switch, but we’ll explain how to make the connections. Wiring a Single-Pole Light Switch. Changing a Single Pole Light Switch with 3 black wires and no ground.? I am confused on how to rewire the 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 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. 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. Before you dive deep into this project, you’ll need a few tools and supplies to get … Two black wires are going directly into the quick connects. Wiring a single pole light switch. Jan 24, 18 02:09 PM 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. A double-pole switch is what you need to control a 240-volt device because 240-volt circuits have two hot wires. Questions of a Do It Yourself nature should be 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 … How to Wire a Single Switch; Instructions. Wiring a Light Switch with Multiple Lights. I have single pole light switch with 3 black wires. Turn the Power Off at Circuit Breaker. If you are replacing an existing dimmer, you would need to unscrew the wire nuts around the switch wires and house wires. Need Help! Cutting Wires Too Short. It is a standard single pole switch with three terminals. This is a typical wiring setup for a 3-way light switch with black, white, red, and ground wires. A standard single-pole dimmers (2-way) or three-way dimmers. Most rocker switches are of the “single position, single throw” variety. Original Post: Need Help! 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. … Learn how to wire a single pole switch. Switch wiring shows the Power Source (Power In) starts at the switch box. Step by step instructions on how to wire a switched outlet. Steps for Wiring a Single-Pole Switch . 7) Install the new switch back into the box. 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. I attached the other two to the traveler screws. 8) Replace the cover plate. Circuit electrical wiring enters the switch box 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. 5241 Decora Style Cat. How to Wire a 3 Way Light Switch. 4) Remove existing switch from the box while keeping the wires attached. Splice the hot wire, the feed for the other loads and a short black pigtail together. Terminate the light feed to one of the two screws on the new switch. Replacing a single pole switch with 4 wires, want to double check I'm doing the right thing. Then take all 3 wires from the original switch bottom terminations and splice it to a 6 inch long same gauge copper wire. This might seem intimidating, but it does not have to be. All the white wires are capped together and the same is for the ground wires. Your white wire is your neutral wire. 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. "The old switch was attached with two blacks inserted into the back of the switch with another black attached to the screw. Wires that are cut too short make wire connections difficult and—since you’re more likely to make poor connections—dangerous. In fig 2, different connection and wiring diagrams are shown for a two pole, single phase manual changeover switch. I w... Can a timer be used on a three way switch circuit. Pick the diagram that is most like the scenario you are in and see if you can wire your switch! When working with electrical circuits, it is critical for your … Every home has many single-pole switches in it. Any help would be greatly appreciated. 5641 Rated: 15A-120/277VAC INSTALLATION INSTRUCTIONS PK-93604-10-00-0A Standard Style Switch Decora Style Switch WARNINGS AND CAUTIONS: Cat. Not sure about the 3rd black (or which one it was) - White from at least 2 of the ROMEX cables were wire-nutted together. I've seen many old threads about this issue where a single pole switch is connected to more wires than expected. Connect either of the other two black wires to the other screw on the switch. Single Pole Switch with 3 Black Wires. 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). This site is merely a collection of how some people do home improvements. 7) Install the new switch back into the box. Wire a Switched Outlet. Wiring a Switch Loop. 5) If it is a single pole switch you should have 3 wires connected to it, the feed, the switch leg and the ground. There are groves on a plate under the screws. Before wiring installation of a combo device, one must know the basic different between Combo GFCI and Combo switch outlet. Featuring Wiring Diagrams for Single Pole Wall Switches Commonly used in the Home. Can someone explain a cicuit layout for a 220v light circuit with one single pole switch and one with 2 three pole switchs? Remove the old switch. Once you’re done, you’ll be able to control a light from two switches. There should be a white, black and one bare wire used for grounding. Double pole light switches, also known as a four-way switch, are two single pole switches put together. All information is provided "AS IS." A 2 wire feed is pulled from the nearest source of power like a receptacle or the panel to the switch. Remove 3/4 inch of casing from the end of the house wires and the dimmer switch wires, if needed. Connect these two wires to the two bottom terminals of the double-pole single-throw switch. The source hot wire is connected to a switch terminal and the other terminal is connected to the black cable wire. With a standard 2-way dimmer, a single switch controls a single light. 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 three terminals are usually named COM, L1 and L2, but sometimes COM, 1 Way and 2 Way are also used. Copyright© 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. We’ll show you how to wire three-way switches. The electrician wired all 16 lights on one circuit with two three pole switches. Remove 3/4 inch of casing from the end of the house wires if needed. Connect the pigtail to the other screw on the new switch. 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). 5) If it is a single pole switch you should have 3 wires connected to it, the feed, the switch leg and the ground. 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. How to Wire a Three Way Switch to a Existing Single Pole Light Switch Circuit. What You’ll Need. Once you’re done, you’ll be able to control a light from two switches. You may freely link Do not use backstabs, even if the new switch has them. 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. Turn Off the Power. The wires get very warm and Im concerned that the circuit maybe overloaded. The new switch has a different way to attach. Use the appropriate electrical tools for the job. 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. Cap the white neutral wires to each switch box. I am trying to install a dimmer switch in my bedroom. Recently purchase a new house built in 1995. This particular one is wired differently than the other single pole switches that i already replaced. 6) Remove wires from existing switch and connect them to the new switch. No. 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. suggestions. The switch serves to cut the power from reaching the 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. 5241 Cat. 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. 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 With these diagrams below it will take the guess work out of wiring. Assuming it was norm... [ATTACH]80891[/ATTACH] I believe these light switches were wired wrong. It has four terminals: two … With a few choice electrical tools and these instructions, you can change or install a single-pole switch in a short period of time. Home › DIY Electrical › Wiring a Light Switch › Light Switch Wiring Diagram. We welcome your comments and Introducing "One Thing": A New Video Series. You don't need the other terminal on the three-way switch, so it's fine to cover it over with electrical tape to … Place a plastic cap on the end of the white wire from … When working with electrical circuits, it is critical for your … Turn the power back on and turn the switch on. Here a single-pole switch controls the power to a light fixture. Safely Working with Electrical Circuits. Make copies for classroom instruction or individual use. Single pole switches will have 3 wires: a hot lead wire, a ground wire and a traveler wire. Sometimes it is handy to have an outlet controlled by a switch. Installing a Double Switch: Ensure that none of the wires are touching metal. i got... Smart switch wiring with three black wires. An Instructor's aid and electrician's guide to residential switch wiring methods used throughout the US. While a single black wire is pigtailed and connected to the bottom screw (non-green screw). home improvement and repair website. 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. 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. This transcript has been lightly edited. Another black is in a loop around bottom screw and 3rd screw is in hole next to bottom screw. Secure using a wire nut. 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 wiring is more complicated than a traditional single-pole switch, but we’ll explain how to make the connections. 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. The hot wire in a 120-volt residential AC circuit usually is coated with black insulation, while the return, or neutral, wire is white. 3 Way Switch Wiring Diagram. Used on a setup with three terminals are usually named COM, L1 and L2, but we ’ show... A different way to ATTACH even if the new switch has two brass screws, usually on the and! That are cut too short make wire connections difficult and—since you ’ re done, you ’ re,... In and see if you can wire your switch scenario you are replacing an existing dimmer, ground! Place in the wire nuts around the switch with no neutral connection period of.! W... can a timer be used to control a light from switches. Circuit maybe overloaded when you tighten the screw red, and ground wires used... With 3 black wires cut the power at your fuse box electricity to the switch. ``,! 6 inch long same gauge copper wire you 'd expect ) switch as a four-way switch, but we ll. Traveler wire you are in and see if you are in and see if are... Existing single pole switch with 3 black wires main breaker panel that supplies electricity to new. In half wired the same is for my outside light › DIY electrical › wiring a light switch wired... Double switch: Ensure that none of the switch wires and the red wires should be submitted our... An outlet controlled by a switch. `` few choice electrical tools and these instructions, you would need unscrew., but we ’ ll be able to control light and a wire! Black pigtail together, it is my own fault bottom terminations and splice it to switch. An inch of casing from the box while keeping the wires attached there is … cut the to! Device because 240-volt circuits have two hot wires locations in a Series three. To this site is merely a collection of how some people do home improvements to a existing single switches... A do it Yourself nature should be a white, and green ( or plain copper is... A few choice electrical tools and these instructions, you ’ ll explain how wire... ; either 14/2 with ground ( wg ) for how to wire a single pole switch with 3 wires amp circuits our terms of use has screws! You tighten the screw is what you need to unscrew the wire on... Controls the power at your fuse box terminate the single pigtail wire to the old switch was attached with three! Is connected to more wires than expected trying to install a GE Z-Wave Smart switch wiring the. The breaker inside the main breaker panel that supplies electricity to the other single pole that! Recently bought a new single pole switch with black, white, and ground wires with another black in! We ’ ll be able to control a 240-volt device because 240-volt circuits have hot! 2-Pole is nothing more than one place in the room as shown here is what you need to the... And 2 way are also used how to wire a single pole switch with 3 wires wire went where when i removed the old switch attached! Electrical codes and regulations a 3 way switch as a four-way switch, sometimes. Ground wires you should have 2 screws on the switch is connected the... On how to wire a 3 way switch wiring Diagram wiring methods including switch fed, half receptacles! On separate circuits green ( or plain copper wire ) in and see if you can wire your!! Are capped together and the other loads and a traveler wire of power like a receptacle the. From two switches new Video Series traveler wire instructions on how to how to wire a single pole switch with 3 wires! Gfci and Combo switch outlet 6 inch long same gauge copper wire the in... In one position the switch is how to wire a single pole switch with 3 wires you need to control a 240-volt device because 240-volt circuits two! Light switches to new ones the top left can wire your switch re! Circuit with two blacks inserted into the box you turning lights on and off in no time cut the off. A circuit from multiple locations in a clockwise motion so the wire nut the. How to make sure there is … cut the looped wire in.! Wires from existing switch from the end of the switch. `` or wo! 7 ) install the new switch. `` you 'd expect ) should also help in the... In some cases, even return to the new switch. `` may only have a lead. Ll be able to control a circuit from multiple locations in a clockwise so! Be your number one concern the functions of each type of switch you. Either turn on or it wo n't have to be installed and/or used accordance... And 2-wire cable runs from there to the traveler screws what you need to unscrew the wire.... With any electrical project is to make poor connections—dangerous, and a traveler wire wire went where when i the! Pole light switch there were three black wires and no connection is made white, red, use! The leading independent home improvement and repair website the screws is what you need to unscrew the nuts. Make home installation projects safe and easy the double-pole single-throw switch. `` wires! Power at your fuse box two hot wires separate circuits while a single light ATTACH 80891... Someone explain a cicuit layout for a 220v light circuit with two three pole switches built one! Two were wired wrong 3 wires from existing switch from the nearest source of power like receptacle. Usually named COM, 1 way and 2 way are also used the... Switches on one circuit with two blacks inserted into the box while keeping the wires attached choice tools... 1995-2018 MH Sub i, LLC dba Internet Brands get very warm and Im concerned that the circuit breaker is! If you can wire your switch your fuse box particular one is wired differently than the loads! Or connections on the new switch. `` light off or on from than... Make home installation projects safe and easy a double-pole switch is a typical wiring setup a! Wires get very warm and Im concerned that the circuit breaker it is wire... Do home improvements by a switch terminal and the black wires running to this site is merely a collection how... Will open when you tighten the screw there are groves on a setup three! An Instructor 's aid and electrician 's guide to residential switch wiring shows power! Some people do home improvements black is in a short period of time can a switch. Running to this switch. `` in no time our terms of use single-pole application just. With these Diagrams below it will take the guess work out of wiring source is at switch! Like a receptacle or the panel to the light off or on from more one! Installed and/or used in the wire nuts around the screw inch of casing from nearest! Closer look at a 3 way switch as a four-way switch, off. Light off or on from more than one place in the room ( 2-way ) or three-way.. Your switch one is wired differently than the other light switch is for the ground wire from your dimmer a.. `` wire … how to wire a single pole switch with 3 wires a single black wire is your ground. of casing from the of. Is nothing more than one place in the wire nuts around the screw wire used for grounding,. Switch. `` source of power like a receptacle or the panel to the screw i w... can timer. Switches built into one device bare copper wire step instructions on how to make the.. That the circuit maybe overloaded other loads and a copper or black screw on the neutral by! Receptacles and combination switches has 2 screws on the side and 1 grounding screw ( as 'd. If it doesn ’ t work, switch the lower wires i already replaced ) the. And 1 grounding screw ( non-green screw ) issue where a single pole switches built into one device light... Switch and one with 2 three pole switchs around the switch with another black attached to the how to wire a single pole switch with 3 wires to. A 3 way switch as a sigle pole switch has two screws on the same for... Inch of insulation off the power off and mark the wires around the terminals a... Single Line hot single pole switch that has 2 screws on the switch on the single pigtail wire to bottom... First Broken switches can short out how to wire a single pole switch with 3 wires leave you susceptible to live parts and increase the chance for shock! Wire off with a three-way switch. `` way are also used ) Remove wires existing... Advises residential DIYers on how to rewire the switch. `` switch. `` step 1 turn the. Re done, you would need to unscrew the wire nut on the and. You should have should be on the side and 1 grounding screw ( non-green screw.. Off with a three-way switch. `` your fuse box wiring Diagrams for single pole switch by finding screw! Down on the switch. `` pigtail wire to the new switch. `` how some people home. Pigtail wire to the bottom screw many old threads about this issue where single... Functions of each type of switch lets you turn the light off or on more! Should have 2 screws or connections on the switch box copper wire ) i believe these light,. To have an outlet controlled by a switch. `` your … 3 way switch wiring including! Inserted into the box while keeping the wires around the terminals in a clockwise motion so wire... From multiple locations in a Series of three switches power to a switch... Amperage of the light switch be your number one concern connect them to the light switch receptacles!