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