Like black wires, they can be used in some types of switch legs. What is a red wire used for in a switch leg? The colors white and gray indicate a neutral wire. Yellow wires are used as switch legs to ceiling fans, structural lights, and outlets paired with light switches, while blue wires are usually used as travelers for three-or-four-way switches. What does a yellow wire mean on a light switch? Does blue wire connect to red?Ĭonnect the blue wire to the red wire. The new electrical wiring colours in the UK are green and yellow for the earth wire brown for the live wire, and blue for the neutral wire. The combination of these wires is referred to as a circuit. The brown wire, otherwise known as the live wire, transfers electricity to the appliance. The blue wire also referred to as the neutral wire, has the function of transferring electricity away from the appliance.
What is a blue wire on a light switch? What is the blue wire in electrical? Red wires are commonly used when installing ceiling fans, where the light switch maybe. Red wires are also hot and should be clearly marked to avoid the dangers of electrocution. What are Red Wires? Red wires are usually used as secondary hot wires. What is the red wire for in a light switch? The blue wire is known as the Switched Live and takes power to the light. The brown wire is Live (also know as permanent live), this brings the live supply to the switch. The Earth wires continue to be Green and yellow. Is red or blue live?Īnswered by Dave, Electrical Safety Expert The live Red becomes Brown. The old electrical wiring colours in the UK are green and yellow (or bare) for the earth wire red for the live wire, and black for the neutral wire. Switched Live is only live when the switch is on (this is where it gets its name from).
Blue wires are also fed through a conduit, usually bringing power to three or four-way switches. Blue Wires – always assume they are live if you have power. You’ll find yellow wires used in fixtures like lighting and ceiling fans. Yellow wires are used as switch legs to ceiling fans, structural lights, and outlets paired with light switches, while blue wires are usually used as travelers for three-or-four-way switches.Ī yellow wire is used as a live wire pulled through a conduit. Where does yellow wire go on light switch?
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