Red White Blue Electrical Wires
However all electrical wires regardless of their function may carry an electrical current at some point and should be treated with equal caution.
Red white blue electrical wires. So first they made it into 64 pairs of two wires each there were other advantages and then using 6 colors and having a second color for the second wire e g. In addition red wires are used to connect hardwired smoke detectors to the home s power system. White wires with black or red tape. It s possible to link two red wires together or a red wire to a black wire.
Typically this is indicated with a band of black or red electrical tape but other colors may be used wrapped around the wire s insulation. The usa have their own wiring colours for electrical circuits black red and blue are used for 208 vac three phase. When a white wire is augmented with a red or black color marking this often indicates that it is being used as a hot wire rather than a neutral wire. Installation wiring also known as building wiring is for things such as the wiring.
What each ceiling fan wire means written by graziella tanti on aug 30 2010. Fixed wiring electricity supply requires specific wiring colour regulations bs 7671 to identify different power lines in different countries. The ground wire is usually left bare but in some cases the ground wire color is green. Outdoor ceiling fan wiring.
In 220 volt circuits red wires are the secondary live wires. Installing an outdoor ceiling fan wiring an the electrical wiring connections can be a little tricky especially when it comes to the red wire and the blue wire. One of the hot wires attaches to a brass terminal on one side of the outlet and the other attaches to a brass terminal on the other side. White orange white blue red green they could have a means of identifying each of the 64 pairs of wire.
Electrical history basics red black white blue. The white wire is always neutral and when the cable has only two conductors as most 120 volt cables do the hot wire is black. Blue and yellow wires are sometimes used as hot wires and as travelers green wires and bare copper wires are ground wires and white and gray wires are neutral. When measured with respect to the white neutral wire the red wire carries the same 120 volt current that the black one carries making the voltage across these two hot wires 240 volts.
Brown orange and yellow are used for 480 vac. Like black wires they can also be used in some types of switch legs. Old australian colour code multiphase. Blue and yellow.
Active red neutral black earth green. If the ceiling fan does not have a light then the red wire and the blue wire may be capped off using a wire nut.