I want to install 7 20W downlights with a dimmer but the light fixtures in my house only have 2 wires (black and red) with no earth wire. I then installed the fan speed switch in the wall where the plain old toggle light switch was that was controlling the on. The most common mistake can happen when the old switch had three rather than two black wires connected to it, even though it was a regular " single-pole" (not 3-way) switch. Common connects only to 1 in switch position "on. I'd like to disable/disconnect the other switch controlling the lights because I don't use it and then try to re-wire this switch. Re: Black and white wires both hot Jack If the connection of the white wire to the common buss is loose or a bad connection along the neutral line from the panel is loose or broken and you have any thing plugged into a receptacle or a light on the circuit the hot will feed trough to the neutrals. So you have one bulb on, the other two bulbs on, or all three bulbs on. The black and white wires will be connected to the new motion-sensor switch, but the ground will not be used. There are four black wires and two white wires in the ceiling box. When you flip the switch off, it breaks the circuit and interrupts the flow of electricity. Sorry if this is off-topic. Re: Off Topic - Light Switch Wiring, need explaining I'm trying to understand this. 278 THE COMPLETE GUIDE TO WIRING Repairing Light Fixtures In a typical incandescent light ﬁ xture, a black hot wire is connected to a brass screw terminal on the socket. Most modern switches have screw terminals on each side and may also have holes in the back to accept the end of the wire. Enjoy!! Return to Electrical Article List. These wires when disconnected affect lights in the living room and plugs in two other bedrooms. The black "hot" wire enters the switch on the left. One of the most common problem with winches is a damaged controller plug, so hard wiring the controller improves your winches reliability. One is the common wire and the other two carry that common current to one line or another. You don't need to connect any of the black wires to your switch. Doing electrical work is one of the most intimidating tasks for a novice home repairman. 5 How to Wire a Bath Fan and Light with Two Individual Switches. A single-pole switch has two brass terminal screws on the side that receive the black and white wires of the circuit. Connect the black wire to the other brass screw. old switch TOP ROW L1 = YELLOW L2 = BLUE COMMON = RED BOTTOM ROW COMMON = RED L1 = EMPTY L2 = BLACK NEW SWITCH is in two vertical blocks first block = TOP 2 way 1 way BOTTOM COMMON second block = TOP 2 way 1 way BOTTOM COMMON Any ideas which colour goes with which. The wall switch has one black and one red wire. plug from the control board. An in-cab winch switch allows you to spool you cable in and out fast and there are no worries about damaging the winch controller wiring. You may find that there are only a few wires in your ceiling rose. Pro Tool Reviews gives you a visual guide and step by step instructions on making the best connections for your particular ceiling fan installation. I found online a solution that somebody else used and it worked for me too. Clip a lead onto a black wire; probe the red wire on the same side of the thermostat while rotating the dial through all the "On" positions. Turn Power on. To have 4 whites and 4 blacks, you have 4 separate (2 wire cables) coming into the box. White wires are always neutral in 110-volt circuits but can be used as the second hot wire or switch leg in 240-volt applications and three-way switches, respectively. One odd thing that Speedy Jim has referred to -- the headlight switch is a major junction for the thick red wire from the battery -- the power comes to the back of that switch and at least two other wires lead off to the ignition and fuse block. While HS210 is designed to work in a pair, you can replace the wall switch with the neutral wires while leaving the old wall switch in place. And there is no ground wire either. Red = Brown Blue = Black Yellow = Grey. Just joking the house isn't hauntedI don't think! ;) But srsly, my current home is partly an old 2 wire ungrounded system and the other part of the home has a modern 3 wire grounded system. Signal-Stat Model 800. Step Four: Disconnect the old switch or outlet and connect the new one. Or you may find a white wire connected to the switch. Or it has 2 black wires. The black wires are power wires, the white wire is the neutral wire, and the green wire is the ground wire (it will have this information on the switch as well). It was a lot of wires and I couldn't get it to work right, so I replaced the relays and the wiring with a trailer brake light converter. Steps for Replacing a Light Switch. There are many ways to control and automate your lights with SmartThings. Boat wiring must have the flexibility stranding provides. Double-check the wires. Also please use wire screws to join the two wires after cutting them and swapping to avoid a possible electrical hazard which could kill you. Two wires attach to brass screw terminals, which are usually at the top of the switch, and an additional wire attaches to a dark-colored (not green) screw terminal, which is usually at the bottom of the switch. The original had 2 wires to the switch, black and red, got some new single one way switches, only. The black wire is spliced into your running lights, or the lights that are turned on your vehicle when the headlight switch is on. Wiring is subject to safety standards for design and installation. If the white wire is also hot, wouldn't that mean there is a 2nd switch somewhere that controls this light, too?. Timer has 4 wires - black, white, red, green, one of each. When you connect the new single-pole switch up, you can get confused by the new green screw they come with and hook one of those blacks to it. There is no box but just the 2 wires coming through the ceiling. That is the tricky wiring feature. 2 black wires, 2 white and a red? I took down an old ceiling fan and am replacing it with a simple light. Re: Off Topic - Light Switch Wiring, need explaining I'm trying to understand this. Does this mean I can ONLY use low voltage downlights with a 150W transformer or can mains downlights be used. Received unit has red led on. I tried to wire a black and white on top and bottom (just like a home style light switch) with the green tied through. Keep the switch at the beginning for simplicity. If your switch has 3 wires, then the dimmer will not work. If you need more than two lights, just keep pig-tailing the white and black wires to keep the circuit going. Steps for Replacing a Light Switch. If you are unsure you should really have a electrician come over and fit the light for you. One of these wires from each fog light has already been connected to ground. But if you’re replacing a three-way switch with a three-way dimmer, label the “common” wire (it’ll be labeled on the old switch) when you remove the old switch so you can connect it to the “common” terminal on the dimmer. It doesn't matter if you reverse the two switch wires to a single-pole dimmer. This alternate type of wiring is no longer. The blue wire for the light fitting connects to the black loop wires. Fix your ceiling fan or light fixture with the Zing Ear ZE-109 fan and light switch. while extreme care has been implemented in the preparation of this self-help document, the author and/or providers of this document assumes no responsibility for errors or omissions, nor is any liability assumed from the use of the information, contained in this document, by the author and / or provider. Wiring a Single-Pole Light Switch. Ground output wire through the rheostat. If there is bare wire exposed, unscrew the wire connector, remove the wires, trim the ends of the wires with a wire cutter, and then re-cap the wires. Please review our Warranty, Returns & Refunds policies before you place an order. If at any time during the process you. Without this neutral wire in place, the circuit is broken any time the switch is now in the off position. The switch selects wire 1, wire 2 or wires 1 and 2 together (thus a three-way switch). Each 3 way switch has 1 and 2 on the switching screws; 3 or 4 then goes on the bottom screw (the isolated one). Reporting: Home theater black/red speaker wires mixed up. Use the quick connector to connect the extra wires (red) to the power wire on the harness and black to the ground. The ceiling has 5 wires: A black and a white coming from one side. Switches are typically marked "TOP" or it will have a brass plate or some type of noticeable marking. Wrap the end with black electrical tape after disconnecting. Reproduction 1950s, 1960s, 1970s old light switch plates and antique outlet covers that have been discontinued by the original manufacturer but are custom-made by Kyle Switch Plates. It all matches the diagram except for the black wire on the bottom, that wire is also bundled to the set of two white wires on the bottom. It is just a single switch light, so is it as simple as RED into COM, BLUE into L1, ignore L2 and EARTH to EARTH terminal. Connected trigger to same power to test. The new ballast has two blue and one red wire on one side, one. If you have more than two wires connected to your. See DIAGRAM 2. The power cables will be run to your New Wire Marine custom marine switch panel and your tinned marine negative bus bar. So you have one bulb on, the other two bulbs on, or all three bulbs on. Bring old light fixtures wired with knob-and-tube wiring up to code by installing an electrical box in the plaster wall. Typically, these. You don't have to replace the entire wiring system itself, although that’s not a bad idea, because it can reduce your risk of an electrical fire and lower your insurance rates. But the light I am trying change has 1 x red wire, 1 x black wire, 1 x earth wire and 1 x white wire. Light switches are the easiest of all items to wire. old switch TOP ROW L1 = YELLOW L2 = BLUE COMMON = RED BOTTOM ROW COMMON = RED L1 = EMPTY L2 = BLACK NEW SWITCH is in two vertical blocks first block = TOP 2 way 1 way BOTTOM COMMON second block = TOP 2 way 1 way BOTTOM COMMON Any ideas which colour goes with which. My assumption is this Switch is just breaking the circuit to the light so there is no way to have power here for the Switch and have the light off. If you have two wall switches dedicated for this particular ceiling box, then you also will have two separately controlled hot wires (black & black or black and red), which of course would be wired: one switched hot for the fan operation onlyand the other switched hot wired for the light kit only. When I opened the outlet box, the switch was connected to two black wires. There are insulated black and neutral wires, but no ground connection (fixture has ground wire but just connected it to mounting bar). In electrical wiring, a light switch is a switch most commonly used to operate electric lights, permanently connected equipment, or electrical outlets. One odd thing that Speedy Jim has referred to -- the headlight switch is a major junction for the thick red wire from the battery -- the power comes to the back of that switch and at least two other wires lead off to the ignition and fuse block. This dimmer installs like a traditional switch and can dim incandescent or halogen bulbs up to 600 Watts. So each bulb has a 2 volt electric potential across it. My house was built in 2002 so I don't know if that is the issue. Definitions of terms: Line: The hot wire from the breaker (usually black) Neutral: The return wire for circuits (usually white) Load: The wire that will be hot when the circuit is completed to your light (usually black) Traveler: In existing 3-way wiring, this wire toggles hot between two switches. When the pull chain reverses the fan or switches the speed control in and out of the circuit, it is most likely the three wire two speed pull chain mentioned above. is typically 1/2-inch PVC. Red is used in cable for three way switches. Not sure what the previous owner was thinking, but I would like to install some additional lighting in the room anyway and this seems like a good place. Hopefully you can see the black and white that go with each other. you should have two blacks and two whites coming from the ceiling. My ceiling fan light has three wires blue, black, red and l have a two wires switch do l have to get the three wires or can l use the two wires switch can you help. There is no "used to be" about it. i have a light switch that has 3 wires to it. The Light switch itself applies a voltage to relays under the hood that in turn apply power to the headlights, running lights, tail lights and such on the outside of the RV. On a related note, if you see an extra black wire in an electrical box separate from another set of black wires tied together in the back of the box, chances are that extra wire is the one that operates the light. DANGER As one of the switch wires will always be live, ALWAYS turn off the power at the consumer unit before replacing a light switch. Once you have determined which of the black wires is the 'switch wire', you can connect it to the live terminal on the new fitting, connect a wire between the neutral on the fitting to the two black wires in the rose, connect an earth wire (if required) and fix the fitting to the ceiling. I want to install 7 20W downlights with a dimmer but the light fixtures in my house only have 2 wires (black and red) with no earth wire. Popping off the old thermostat wasn't any trouble but I did have to be careful because it has in it a vial of liquid mercury that, if broken, could cause some serious cancer. The hot wire in a 120-volt residential AC circuit usually is coated with black insulation, while the return, or neutral, wire is white. Posted 8 years ago I’d like to have. This option is very similar to option #1 when wiring a 3 way switch. On a plastic box merely connect all of the ground wires together. while extreme care has been implemented in the preparation of this self-help document, the author and/or providers of this document assumes no responsibility for errors or omissions, nor is any liability assumed from the use of the information, contained in this document, by the author and / or provider. Turn only one switch on, using a tester see which black wire is hot. Home | Questions? updated 1-1-05 4 responses to “Basic Tractor wiring diagram”. Red = Brown Blue = Black Yellow = Grey. This section has the following description: In this blog post, we'll be showing you how to quickwire a single-pole switch for easy installation. It does not have much voltage, if any, when the car is cranking, and should have almost none at all if the car is off. WIRE, TERMINAL AND CONNECTOR REPAIR change to brown and light purple, dip the tip in and 2. Of the three red wires now available to you, one will be permanently live, this needs to be connected to the one that supplies power to the next light and a link to these connected to L1 on your two-way switch. Here is what you should get: Key off Brown, Pink and Purple dead. As described on the other pages, the two switch wires are both live. If one leads into a switch inside the fixture, that is the hot wire. If you have no 3 wire available you could pull two 2 wires which would leave you with an extra white neutral. To install the new switch you first need to make sure it is oriented correctly. don't mess with the four brown wires, or the three white wires, take your orange wire, as your hot, your green wire as your neutral. It all matches the diagram except for the black wire on the bottom, that wire is also bundled to the set of two white wires on the bottom. 21 hours ago · Includes brackets and no wiring harness; Length: 21 1/2”, Height: 2 1/8”, Depth: 2 1/2” $200; 2016-2019 Tacoma Switch Plate and 3 CH4X4 Switches. Sorry if this is off-topic. To make a switch loop, connect the incoming hot (black) wire to the white neutral wire that runs to the switch. ) Connect common wire to black timer wire (use twist on wire connector) a. Hopefully you can see the black and white that go with each other. The black wire is spliced into your running lights, or the lights that are turned on your vehicle when the headlight switch is on. Only replaced the fixture nothing else. Mount one on the wall by your nightstand. Understanding how the switch is wired is the most important part. Notice that there is a neutral in each switch box but only the first 3way at the left has an unswitched hot. There is no box but just the 2 wires coming through the ceiling. The WeMo Light Switch has four wires coming out of it: two black wires, one white wire, and one green wire. Every light switch will have both of these wires. household wiring design has two 120 volt "hot" wires and a neutral which is at ground potential. Check to make sure the word TOP is on top of the switch. If your dimmer is like other rotary dimmers, it has a black and red wire. Black wire and the Red wire are the On and Off lines between the low-voltage switch and the relay. The hot (black) wire is connected to the common terminal on the first switch in the sequence. Zing Ear - This switch will not have two black wires in top L and bottom 1 as the 02, or any combination of this. To help guide you through wiring a light switch. The two grounds are connected together and then to the green ground screw on the switch. Also one gray wire goes to the speed selector switch and the other gray wire goes to the reverse switch, if you are unsure trace the wire and see where it leads to. I have taken the switch off so many times that I noticed I have almost stripped the 3 gang work box that the switch screws into. Double-check the wires. The fan/light switch we purchased has a controller that wires directly to the ceiling. The new fixtures have the basic one white and one black wire. The sheathing is stripped off the cable so there can be 6 wires inside the box. Order 10, 12, or 14 gauge wire for landscape lighting and other low voltage applications. The white wire is unused. They are produced by KTE Electrical Ltd from Hong Kong - apparently a major manufacturer of pull chain switches. , switch, fixture, outlet, appliance), a white neutral wire that carries the power back to the power source, and a green or bare copper ground wire that connects the device to the home's grounding system. have to source for N which will be impossible if there's no conduit in the wall (mostlikely contractor just plaster the wire in) looking at your switch i guess how it work is: the switch needs power to operate thus it requires N basically the N and L together is to power up your switch. For example, you might want to turn on a bathroom light separately from the ceiling fan. Connect the other two wires to the red band blue c timer wires (use twist on wire connector). The two Blue or Black neutral wires are looped together and. Follow the manufacturer's instructions for matching the wires on the new fixture to the wires installed in your home. The white neutral wires are probably connected. Two way Light switching. If your home still uses knob-and-tube wiring, the law prohibits connecting new light fixtures to the old wiring. Those tick tester are not 100% correct 100% of the time. Portable lamps such as table lamps may have a light switch mounted on the socket, base, or in-line with the cord. To help guide you through wiring a light switch. could this be why it doesnt appear. Every wire connected to a switch are hot wires. I replaced a ceiling light in a 1950's-wired apartment. The minimum wiring required in a detached garage that has electricity would include a means to disconnect the power to the garage, switches at the service door to control a light inside the structure, and. RV Electrical Switches and Indicator Lights. But the good news is there’s a vibrant range to choose from, including pendants, downlights, diffuse ceiling lights, sconces, under-cabinet lighting. I have unscrewed the old light switch and behind is a red and black wire feeding into 2 holes, however the new light switch i have has three holes. The earth wires in the cable are bare copper, and must be covered with green/yellow striped sleeving. I have an old 2 way 1 gang light switch to replace, but the one currently fitted has 2 red wires & 1 black wire, as opposed to the three different wires as shown on most sites that i checked out. Anywhere Switch. Thanks a lot. if you join the two red wires together at the fitting in a suitable connector block or wago connector, put one of the black wires in the live pot (the. It’s important to note that with DPDT actuation, there are two terminals for power. If your switch has 2 wires: Probably both switch wires are black. Two wires attach to brass screw terminals, which are usually at the top of the switch, and an additional wire attaches to a dark-colored (not green) screw terminal, which is usually at the bottom of the switch. If there is no switch, follow the wires to their ends to see which one is fixed to the lamp socket base (hot) and which one connects to the socket threads (neutral). The source is at the switch and 2-wire cable runs from there to the light. This will be the swiched-live from the light switch. To make a switch loop, connect the incoming hot (black) wire to the white neutral wire that runs to the switch. Steps for Replacing a Light Switch. Find discontinued, vintage, or midcentury wall plate covers for button switches, Sierra electric biplex receptacles, triplex outlets, small rocker switches, or. The black and white wires will be connected to the new motion-sensor switch, but the ground will not be used. Control you lights from Wemo Light Switch on the wall, the Wemo app, and even your voice with both Amazon Alexa and Google Assistant. The ceiling has 5 wires: A black and a white coming from one side. The old heater has the same a brown and blue but also a green/yellow earth. The light has 2 blacks, 2 whites and a ground. Take all the white wires remaining and connect all 3 of them together and also connect the white wire from the fan to those whites and wire nut those 4 white wires. Timer has 4 wires - black, white, red, green, one of each. If a light switch fails to function, it should be replaced. The original had 2 wires to the switch, black and red, got some new single one way switches, only. Do this by using a utility knife to cut the inset section in the middle of the cord, between the two wires, for just a half inch or so, being extremely careful not to cut the copper in either wire. Thanks a lot. First black to the black wire from the wall, second black with the white wire from the wall and the green and white from WeMo, to the ground in the wall. Portable lamps such as table lamps may have a light switch mounted on the socket, base, or in-line with the cord. Fluorescent lamps are about 2 to 4 times as efficient as incandescent lamps at producing light at the wavelengths that are useful to humans. Line voltage enters the switch outlet box and the line wire connects to each switch. Now you have a black wire left coming from the switch, now connect that black wire to the black wire of the fan and wire nut those 2. If you have voltage on both call an electrician quick. The inside diameter of the loom is 1/2 inch. The bulbs themselves also last a lot longer - 10,000 to 20,000 hours versus 750 to 1,000 hours for a typical incandescent. Each light uses a simple 2 wire connection. The red wire will be connected to your stop/turn circuit on your vehicle. Zing Ear - This switch will not have two black wires in top L and bottom 1 as the 02, or any combination of this. Cut the wires at the back of the old switch. To wire them together, I took the black wire from the switch and twisted it around the extra black wire, then adding a wire cap to keep the wires together. Also, you’ll notice the green wire from the Legrand switch plate is wired into the copper grounder. 0mm sq ‘twin and earth’. Plug it in, and let us know what happened. Am trying to replace 3-way fan pull switch. There is no box but just the 2 wires coming through the ceiling. 3-wire Lighting Systems. To help guide you through wiring a light switch. Received unit has red led on. You didn’t say how many wires were coming into the box, if it is 2, put the blue and black together. you need to cut off the old plug. Problem: the old light switch, when pulled out, has a black wire coming from the back/top and a red wire coming from the back/bottom. The three sets of NM-B 14/2 cables (3 black/hot wires, 3 white/neutral wires and 3 bare copper ground wires) tells me the outlet is wired in series with a branch circuit takeoff like the outlet on the far left in this diagram. Electrical wiring in the United Kingdom is commonly understood to be an electrical installation for operation by end users within domestic, commercial, industrial, and other buildings, and also in special installations and locations, such as marinas or caravan parks. (one set of red and black on L & N either side of the switch that has four terminals). DANGER As one of the switch wires will always be live, ALWAYS turn off the power at the consumer unit before replacing a light switch. I was pretty confident about the job until I pulled the old switch out. In the light box, connect the black and white. Twist another orange wire connector to the remaining black wire on the dimmer connecting it with the white wire wrapped in black electrical tape. Trailer Parts Superstore® offers a wide selection of RV Electrical Switches and Indicator Lights including: GFCI Outlet Covers, High Current Motor Switch, Single & Double Slide-Out Switches, Light Switches, Accessory Switches, Indicator Lights and much more. Lighting Fixture Wiring Questions, PLEASE Help. Now it's time to replace the regular light switch with one that will control both the fan & light. (they don't count this one, hence the 2 instead of 3) All of the wires are made of copper but two of them are coated in white or black insulation because they actively carry an electrical charge. Get No Signal on both channels. Fixed wiring for socket outlet ring circuits in most domestic situations is *generally* 2. Connect the other piece of black wire to the line-side terminal on the switch and the other piece of ground wire to the ground screw on the switch. A simple standard electrical circuit has a black or red "hot" wire that carries power from the power source to the device (e. I am trying to change my light switch, but the problem I have is the old switch has a red, black and white wire connected with 3 different screw places for each wire. The black screw has the black (common) wire that runs up to the light through the yellow cable. Ok, so, below is the normal installation – white wire into the white one, black into the black. We tested them and the red is hot from the light switch and the black is hot also. Unfortunately, if the ceiling rose was put up by an amateur, the sleeving is probably missing. It activates light fixture or ceiling fan light by gently pulling the attached ball chain. The fog lights each have two wires, one for ground and one for the 12V power. The single dark-colored screw is known as the common terminal. (they don't count this one, hence the 2 instead of 3) All of the wires are made of copper but two of them are coated in white or black insulation because they actively carry an electrical charge. Anywhere Switch. Connect the 2 white wires together (one from the source and the other to/from the light fixture) - 2 wires 2. A second 2 wire is run from 3 way to 3 way passing through the 4way switch box and used as a switch leg interconnecting both lights. The light switches are on the wrong end of the room, behind doors - just in the wrong places. 278 THE COMPLETE GUIDE TO WIRING Repairing Light Fixtures In a typical incandescent light ﬁ xture, a black hot wire is connected to a brass screw terminal on the socket. When the light circuit is operated from the additional standard 2-way switch, it will come on at the pre-set level, which is controlled by the position of the dimmer knob when it was last operated. It could be a single switch wiring or double switch wiring. Follow "joe" as he shows you how to install the black wires to a. How do I connect a light fixture that has a green, a black and a white wire when the wire coming from the wall only has two wires a red and a black? You are looking at OLD wiring in your house and trying to connect to a modern light fixture. 4) Remove existing switch from the box while keeping the wires attached. I was pretty confident about the job until I pulled the old switch out. Problem: the old light switch, when pulled out, has a black wire coming from the back/top and a red wire coming from the back/bottom. In the above picture, white is always neutral, while black or red may be hot. This is the "hot" wire. The simple answer for a typical two-way dimmer switch is black on the dimmer goes to the black wire in the wall, the other black on the dimmer goes to the white wire in the wall and the green wire on the dimmer goes to the bare copper wire in the wall. Now it's time to replace the regular light switch with one that will control both the fan & light. 2- yes you have current when you test may mean that there is a loose connection from the wires to the fan unit itself. 3 Wiring for two lights on one light switch 3A - This wiring arrangement would indicate the presence of two lights in a room on the same light switch. Why is this? The circuit's neutral wire is in the junction box holding the light fixture. Checks good go to your brake light switch mounted on upper part of the brake pedal with a simple test light you should have hot (test light on) when the brake pedal is depressed if not and the ong wire is hot (15 amp fuse in the fuse panel under dash) says STOP by it you need to replace the brake light switch. Such color coding. Wire a light switch in one way lighting circuits. If you want to use smart switches and don't have a neutral wire in your switch box, you can hire an electrician to run a neutral wire between the light fixture and the switch. Our house has 4 electrical outlets on one wall, 2 of them flanking a window at eye level, 2 below them at regular outlet height. "14-2" means 14 gauge, two insulated current carrying wires, plus bare ground. WIRE, TERMINAL AND CONNECTOR REPAIR change to brown and light purple, dip the tip in and 2. Run switch wires into driver's compartment. The smart switch wants a line and load. Prevent voltage drop by using larger cable. There are insulated black and neutral wires, but no ground connection (fixture has ground wire but just connected it to mounting bar). If you have more than two wires connected to your. Here's how to do it without breaking the plaster and lath. You can narrow that down by checking to see if the switch has power the same way you did with the fan. I'd like to disable/disconnect the other switch controlling the lights because I don't use it and then try to re-wire this switch. I followed the posts but I don't understand the end result. Turn off Power 2. In a smart switch 3-way configuration, a. A three-way switch is built and wired a little differently than a conventional single-pole light switch. Unfortunately I committed the cardinal sin of taking down the old light fitting without making note of which wire goes where. So you have one bulb on, the other two bulbs on, or all three bulbs on. Use the quick connector to connect the extra wires (red) to the power wire on the harness and black to the ground. This is the first method to make a 2-way switching connection, this is the old method. Red is used in cable for three way switches. A 3 wire has 2 switch legs in it; a red for the light and a black for the fan with the white being used as the neutral. I used a 3-wire setup (which actually has 4 wires -- black, red, white, and bare ground). The common wire is the power wire and is usually black. Study the wiring diagram below BEFORE making any electrical connections. The Hot (Black) and the Ground (Bare or Green). In the above picture, white is always neutral, while black or red may be hot. This is only necessary on a metal box. Turn off Power 2. My assumption is this Switch is just breaking the circuit to the light so there is no way to have power here for the Switch and have the light off. After you have run the Romex from the fixture to the box that will hold the wall switch, it is time to connect the wire to the fixture and the switch. now the new switches have a COM, L1, L2 and Earth. If your dimmer is like other rotary dimmers, it has a black and red wire. , switch, fixture, outlet, appliance), a white neutral wire that carries the power back to the power source, and a green or bare copper ground wire that connects the device to the home's grounding system. One of the most common problem with winches is a damaged controller plug, so hard wiring the controller improves your winches reliability.