And for the other one I have a red, black, white and green wires. I'm replacing a ceiling fan/light kit, and the existing wiring is red/brown/green. International Electrical Wiring Color Codes. Twelve -gauge cords have larger-diameter wires and are suitable for heavier loads, such as operating power tools. Think of driving down the road, through a green light -- you are presuming that the 100,000 lb truck will stop for the red light and hence not sideswipe you. Would the main ground wire from the fuse box being not as tight as it should be cause this problem? I have 8 wires. The vanity light a black wire goes to the black wire at the light switch. It is important from a safety viewpoint because if you should happen to touch the threaded part of the bulb while you are screwing it in or taking it out, you do NOT want it to have any voltage on it. Good practice is to wrap a small amount of tape around and up over the wire nut. Plastic boxes are nonconductive and do not need to be grounded. The CB appeared to not be working because I could not read 120v at it nor get continuity through it. If these are the colors of your house wiring, you have two options. Could I have the blact"hot"wire and the white neutral wires to the CB reversed causing the circuit to have no power? which is the ground, Green wire or bare copper is your ground wire. Blue and yellow wires are sometimes used as hot wires inside an electrical conduit. It start acting up recently and I found if I turned the breaker off and on it would work maybe for two days then go to the breaker again. If it was black it would be independent of a switch. (The metal frame is used as the ground - which is why any bare wire will short out. Brown, Orange and Yellow are all current carrying conductors used on voltages up to 480v. Share your thoughts and concerns in the comments section! (Brandon Smith). I've been shocked more times than I care to think about and I can safely say, if you have any kind of metal tool in one hand and a hot wire in the other, the chances of survival are proportionate to how many witnesses you have to remove you from being "the circuit". I have a bunch to choose from coming from the wall: 2 White, One Yellow, one Blue, One Bright Orange (not red for sure) and of course, one Green. Residential is wired at 120/240v. White is the color most often used for this function. Red goes to black or black to red because those are your hot wires. Now say you want to have a switch at the top and bottom of the staircase so that you can turn the light on/off from either end -- a "3-way switch." Green wires are ground. Easy peasy. The wires on the new one are black and white with a copper ground. I'm trying to put in a regular double light switch for my outside and inside garage lights, instead of my automatic one that went bad. To make sure a uniquely safe and easy identifying system some colour code system is followed internationally. Which is ground? I just ran some 14/3 guage wire to a fan/light in a bedroom since it had originally been some old 2 wire black & white. Or the bare can be attached to the box so it bonds the light fixture. This also goes for traveling. If it doesn't, maybe it doesn't need it and the green-Ground goes to the ground or metal box. NEC does not instruct any requirements for other conductors. Lead black (hot) on top of switch screw, secondary black and red on the on the bottom. Rod, all wires are "current carrying conductors". Ignorance is NOT bliss! Coming in from the fan (that was already put together) is the 2 prong wire split... there is a black/white wire, black, white, green. The issue is the grey and white are connected to get her with wire nuts and the grounds are all tigether. California Privacy, Don't be confused by the jumble of electrical wire colors. For instance only the white conductor should be connected to the white screw or white wire on a receptacle or lighting fixture. What do I hook the red wire to? Hence yellow being the wire coming from the switch, used ONLY for the lights that switch controls. The purpose of the green wire is to provide a path to ground for a circuit's electric current if a live wire within the circuit happens to touch metal or some other conductive material. Good luck. Understand electrical wire color codes when wiring a switch or outlet. Installation wiring, also known as building wiring is for things such as the wiring behind power points and walls. What are the 2 green wires for. You could see the hot wire going into the switch (this one *always* hot) and you could see the wire coming out that was only hot when the switch was turned on. But the wiring coming out of the post is low voltage (two wires conjoined, all black). While still used for big wires (e.g. He did some thing on it and it worked until his warrant ran out. The most important thing about wire color is not will something work if you get it wrong -- it usually will -- but what will happen if the next person presumes you did it the way you were supposed to -- and you didn't. I'm installing an ventilation fan eith light in my bathroom. Three-prong extension cords generally come in two wire gauges: 12 and 14. one cable has a red and black wire going into the switch the other has just the black wire going into the switch. I think it's probably correct, but the red wire may go to another 3-way switch. What I'm connecting to only has 3 wires that are black white and green. Since I don't have a red or black switch box wire, I'm not sure what to do. Grey, white, and bare copper. 240v. Bare copper wires are the most common type of wire used for grounding. Can it be put up with 2 or should we cover up the wires? If you have a continuity tester, use it to make sure that what's hot, neutral, and ground on the male end is still hot, neutral, and ground on the female end. Terms of Use | The current passes back to the ground or earth. Rarely are blue and yellow wires found in NM cable. Need professional help with your project? Cable 1 earth.grey.blue.black. Although a white wire should only ever be connected to another white or grey wire. In the midst of a ceiling fan replacement and have come across a wiring issue. There are four wires. But am confused about the multi-fan-light switch (with no schematic) I had in the garage. Check out this detailed illustration that explains each wire's color and purpose: Common color codes used in electrical wiring. green with blue stripe. Otherwise, it is off. Even if you only wind up paying someone just to come out and LABEL the wires, it's money well spent. I'm replacing the porch and garage lights. I replaced the CB and it trips normally when test is pressed. If the wires are reversed, then the switch is opening and closing the neutral conductor and the device is still energized. I'm assuming here that the gray wire is supposed to be green, and since all three colors are to be hidden from the user the manufacturer felt free to use whatever they had in stock. I am replacing an old oven,. If you're apprehensive about dealing with electrical wires in your home, search Angie’s List for top-rated electricians near you. Should be 1/2 bare or so then if need be trim all to the same length and apply a wire nut tight. How do the others connect? This white wire should be looped several times around with black electrical tape to show that it is being used for something other than a neutral. Hello, Purpose of Red, Yellow, & Blue in 120 Volt Single Phase wiring. White and gray indicate a neutral wire. 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