A black wire is often used in a circuit as a switch leg the connection that runs from the switch to the electrical load. The blue wire is the hot wire for the.
Black And Blue Wires In Light Switch Doityourself Com
Black and blue wire. White wire is neutral. Opening up an outlet or light switch box you might be confronted with a bewildering array of wires of different colorsblack white bare copper and other colors closely intermingle yet each one has a specific purpose. Conductors larger than 6 awg are only available in black and are color taped at the ends. Brown orange and yellow are used for 480 vac. Canadian wiring is governed by the cec canadian electric code. However the colors red for positive and black for negative follow the grounded system coloring code.
Blue and yellow electrical wires. Its possible to link two red wires together or a red wire to a black wire. Europes international electrotechnical commission code states that green yellow wires are protective ground wires. For neutral ground the blue wire should be used. I have 8 wires. Cable 2 has earth brown black and blue.
2 wire ungrounded dc. Like black wires they can also be used in some types of switch legs. The usa have their own wiring colours for electrical circuits black red and blue are used for 208 vac three phase. Black wire is never used for a ground or neutral wire and should be used as the power feed for a switch or an outlet. Brown orange and yellow are used for 480 vac. Black wires are for single live wires red for second active wires and blue for three phase active lines.
If you had a red wire coming from your ceiling it is hooked up to your wall switch. If you have a blue and black wire coming from your household circuit you should have two switches on your wall. Blue wire is for the light if light is included with the fan. In 220 volt circuits red wires are the secondary live wires. Us ac power circuit wiring color codes canada. The black wire from the ceiling fan is the hot wire that runs the motor and turns the fan blades.
Brown or black wires should be used for hot and live wires. The uks new cable colours for plugs are now harmonise with europes power cable colours for ac dc. Australia also have a different wiring colour standard. Green wire is for the ground. The white wire is neutral and completes the fan circuit. Knowing the purpose of each wire will keep you safe and your houses electrical system in top working order.
Black red and blue are used for 208 vac three phase. Not recommended due to safety positive labeled as l. Black wire is for the fan. In addition red wires are used to connect hardwired smoke detectors to the homes power system. Which do i put.
Gallery of Black And Blue Wire
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