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The British wire colours on our three pin mains plugs are: Negative is blue, Positive is brown, Earth is green and yellow.
As an aid to remember, notice the capital letter in the following colours:
The bLue wire goes to the left pin.
The bRown wires go to the right pin.
I believe different colours are used in America.

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What is the blue wire for in a three pin plug?

In the UK Brown is the live, blue is the neutral and green/yellow is the earth. The live and neutral are the two wires that normally carry the current.


What are the names of the three wires in a plug?

The three wires in a plug are typically called live, neutral, and earth wires. The live wire carries the current to the appliance, the neutral wire completes the circuit and carries the current back, and the earth wire is a safety feature to prevent electric shocks.


How to wire a plug with blue brown and Black?

Test the wire with a meter to determine which wire is your hot, which is your neutral, and which is your ground. Those colors are indicative of a 240v circuit normally, so you may have two hots and a ground. Other wise Hot=Black, Neutral=White, and Ground=Green for placement. On your plug, Black/Hot goes to the brass colored terminal. Green/ground goes to the sometimes green terminal that is off by itself usually at the bottom of the receptacle. The neutral goes to the silver terminal.


What is the brown wire in a plug?

This is not true in all plugs it all depends on the manufacturer and the product. Plug wires come in all different colors such as red, black, brown, yellow, blue, and so on. So as I said the wire being brown is indicative of a certain manufacturer or product.


How do you wire a plug propaly?

To wire a plug properly, match the correct wires to the corresponding terminals: green/yellow to the Earth terminal, blue to the Neutral terminal, and brown to the Live terminal. Ensure all wires are securely connected, and double-check the wiring before closing the plug casing. If in doubt, consult a professional electrician for assistance.

Related Questions

Which wire is colourd blue in a plug?

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What is the blue wire for in a three pin plug?

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Color code in 3 pin electric plug in India?

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