The blue wire is known as the neutral wire and its job is to take electricity away from an appliance. Other color combinations, including striped wiring, red wires, and bare copper wires, have a variety of different purposes but are not widely used. Simply put, these wires help the current return to the power source. First, the color codes are designed to help electricians spot if a wire is hot, neutral, or grounded. Meanwhile, the following colors are adapted in the local practice and used for Lines, Neutral and Ground wires are as follows. Although neutral, these wires still may carry a current, especially an unbalanced load, so handle with caution. These electrical color codes specify the function of each wire in a given circuit. 120V (60Hz) is obtained between either hot lead an neutral, with 240V (60Hz) obtained between the 2 hot leads. This is incredibly important to know before you start any kind of home wiring project, as well as essential to your safety, so let’s explore what these colored wires mean and when to use them. Note: We have used Red for Hot, Black for Neutral and Green for Ground for illustration purpose only. I don't want to go with "trial and error", i.e. the interconnection between smoke detectors. If you're unsure call our team today. These wires are often used as a switch leg that transfers power to switches and outlets in all circuits. Although they may not always be circulating an electrical current, they should be handled with as much caution as hot wire. Two 18 gauge wires(Hot + Neutral)which is indicated as 18/2 or 18-2, or ; Three 18 gauge wires(Hot + Neutral + Ground), indicated as 18/3 or 18-3. Posted February 6, 2020 February 23, 2020 1XTechnologies Posted in Cable Colors, Couloured electrical wires, Wire Colors, These are the most common colors used in electrical wiring. The two hot wires in 240-volt circuits -- which must be wired with 3-conductor cable -- are red and black. Brown, Orange and Yellow are used as hot wires and gray is used as the neutral wire in a 277/480 V. For grounding, regardless of the voltage, Green (or a bare wire) is used. These are commonly found in home and office settings. Safety first! According to NEC, a black or red wire must be used as an ungrounded conductor or hot wire. Being able to remember each wire color and its property will keep you safe from electric shocks and other hazards. Questions on electrical wire colors? Ground wire is either a Green wire, a Bare Wire or a Green wire with Yellow Stripe. For instance, red wires connect hardwired smoke detectors to the entire power system. Sometimes a red wire is used to indicate tat the 'hot' wire is switched. Here at Pacman Electric, we are committed to lighting up your life in as dynamic a way as we can. In North America, the bare or green wire is the grounded conductor. It is an international clearinghouse, with 180,000 square facility located in Hayward, California. White or Gray Wires: Neutral. Below is a simple light switch wiring diagram if needed. Make sure you use extra caution when dealing with these - when you see a black wire, you know it is hot. February 6, 2019. My husband and I are restoring a 1905 four square home —about 3500sf—on a small town square and there are so many decisions I’m going crazy! D & F Liquidators The voltage across either hot wire with respect to the neutral wire is the same, 120 volts. Blue and yellow wires are most commonly found in commercial buildings and are used as the live wires pulled through a conduit. D&F Liquidators has been serving the electrical construction materials needs for more than 30 years. It keeps an extensive inventory of electrical connectors, conduit fitting, circuit breakers, junction boxes, wire cable, safety switches etc. Their primary purpose is to ground an electrical circuit and provide a path to ground for a circuit’s electric current if a live wire within the circuit interacts metal of another conductive material. Green wires connect to the grounding terminal in an outlet box and run to the ground bus bar in an electrical panel. However, all electrical wires, regardless of their function, may carry an electrical current at some point and should be treated with equal caution.

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