The main issue with having an outdated electrical wire colour is that it may cause some confusion. The colours that were used for three-phase wiring, prior to 2018, include: The colours used for single-phase wiring in Australia, prior to 2018, include: Thankfully, Australian standards dictate that even though the colour of your electrical wires may be outdated, they still remain safe and usable. If your electrical wiring system was installed prior to 2018, the colour of your wires will most likely be different. The colours used for these types of wires include:Īs you can see from the lists above, the colour standards for the neural and earth state are largely the same – the main difference lies with the individual phase wires, which helps to indicate which type of wire is being used. Similarly, there were a new set of standards introduced for three-phase wiring. For example, if a wire is actively being used to provide power to your house, it would be a brown colour.

Current electrical wiring colours Australiaĭepending on the year in which your circuits were installed, and the types of wires being used (single-phase or three-phase), your wire colours may be different to that of your neighbours.Īs of 2021, the colours used in current Australian electrical standards for single-phase wiring are:Īs indicated above, each wire colour corresponds to the state of the wire.

Line and neutral colors