Blue wire generally refers to a type of wire or cable that is added to a hardware product at a factory in order to resolve design problems. Blue wires are also known as bodge wires in British English.
similarly, Can I connect red and black wires together?
If the red and black wires are connected together already and energized, yes you can do that but you will need a pull chain light or a remote control, if they are not switch controlled.
on the other hand, Is blue wire ground?
Other Colored Wires
These are the most common colors used in electrical wiring. … 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.
also, Is blue wire positive or negative? Yellow is positive, blue is negative.
Does blue wire go to black or red?
The blue wire from the ceiling fan gets connected to the second live wire from the ceiling. This second wire can vary in color but is most commonly red or black. This connection allows you to power your lights from the second switch.
What is red black and white electrical wires?
According to standards in use since the mid-1900s, a wire color code identifies the purpose of each wire in an electrical circuit. 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. … The red wire is for the light switch.
Which wire is live red or black?
Answered by Dave, Electrical Safety Expert
The live Red becomes Brown. The Neutral Black becomes Blue. The Earth wires continue to be Green and yellow.
What happens if you switch black and red wires?
If you switched the wires, what would happen? Red is positive charge, black is negative charge. If you aren’t running if you aren’t connected correctly.
Do I connect the blue wire to the black wire?
Why Yes; you can connect if both wire are to be use for same purpose, that is if the black wire is use for neutral and you intend to use the blue wire for neutral you can connect.
Can a white wire be hot?
The term “hot” is used for source wires that carry power from the electric service panel to a destination, such as a light or an outlet. Even though you are permitted to use a white wire as a hot wire by marking it with electrical tape, the opposite is not recommended or allowed.
What is a blue wire on a light switch?
The blue wire is known as the Switched Live and takes power to the light. Switched Live is only live when the switch is on (this is where it gets its name from).
What wire does the blue wire connect to?
Blue wire is for the light, if light is included with the fan. White wire is neutral. Green wire is for the ground. Red wire is sometimes included and acts as a conductor to carry power to the light kit.
Can I connect black wire to blue wire?
The black and blue wires need to be connected. You will be able to control your fan and lights with a single switch. You should twist the black and blue wires the same way you did the previous wires.
Is blue and black wire same?
A blue wire may be connected to a negative terminal of the power source. A blue wire should be connected to a positive terminal and a black wire should be connected to a negative terminal in a two wire system. …
Does blue wire go to black or white?
Black wire is for the fan. Blue wire is for the light, if light is included with the fan. White wire is neutral.
Does black connect to blue wire?
The black and blue wires need to be connected. … You will be able to control your fan and lights with a single switch. You should twist the black and blue wires the same way you did the previous wires.
Is black and blue wire the same?
The neutral black has been replaced by blue. The line red and has been replaced by brown. The earth is still identified by green and yellow.
What do I connect the red wire to?
Normally you’ll see a red wire in places you would expect a ceiling fan. But in places like a bathroom or a wall light, if you see a red wire, it’s a good bet that the red wire is the wire that’s connected to the light switch.
What is the red wire in a 3 way switch?
Figure A: 3-Way Switch Wire Diagram — Power to Light Fixture
The black hot wire connects to the far right switch’s common terminal. Red and blue wires link traveler terminals of both switches. The red wire, which is connected to the first switch’s common terminal, leads back to the fixture.
Which wire is positive when both are black?
If the multi-colored wire is black and red, the black wire is the negative wire, while the red one is positive. If both wires are black but one has a white stripe, the striped wire is negative, while the plain black wire is positive. Look in the owner manual to determine which wires are negative in a car.
Is the red wire the live wire?
The live wire is brown in new systems and red in old systems. The neutral wire is blue in new systems and black in old systems.
Is red or black positive?
Each battery has two metal terminals. One is marked positive (+), the other negative (-). There are also positive and negative cables in the jumper cable set. The red one is positive (+), the black one is negative (-).
What is the red wire on a light switch?
Red wire: The second hot/traveler wire is the red wire that serves the same purpose as the black wire between the two switch boxes. Depending on toggle switch configuration, either the red wire or the black wire will be hot if the light is on, but not both.
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