What colour is the live wire in Ireland?

You should see one of two colour codes of wiring depending on when the house was last wired: blue or black is neutral, brown or red is live, and green/yellow is earth.

Is blue live or neutral?

Plug wiring colours

Wire Colour
Live Brown
Neutral Blue
Earth Yellow and Green

What is the blue wire in electrical?

The blue wire also referred to as the neutral wire, has the function of transferring electricity away from the appliance. The brown wire, otherwise known as the live wire, transfers electricity to the appliance. The combination of these wires is referred to as a circuit.

What are the new wiring colours?

Wire Colour Changes for 2-Core and Earth Cable

Old Colour New Colour
Live red Live brown
Neutral black Neutral blue
Green and yellow/bare earth Green and yellow/bare earth

What do I connect the blue wire to?

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 does coloring a wire blue mean?

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.

Is blue wire hot or neutral?

Black wires are hot wires that run to the electrical outlet from the switch. Red wires are hot wires common in a 240-volt outlet or when a wall switch controls the outlet. Blue and yellow wires are hot wires for ceiling fans and three- or four-way switches. White or gray electrical wires are neutral wires.

Is black and blue wire the same?

A blue wire may be connected to a negative terminal of the power source. There is something but. 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.

What are the color codes for electrical wires?

3-Phase Wire Color Codes

  • Phase 1 – Black wire.
  • Phase 2 – Red wire.
  • Phase 3 – Blue wire.
  • Neutral – White wire.
  • Ground – Green, Green with a Yellow Stripe, or Bare Wire.