Australian Home Wiring Colours

By | May 14, 2021



Unveiling the Secrets of Australian Home Wiring Colours



Whether you’re facing a major renovation, rewiring a whole house or simply replacing a light fixture, understanding the different wiring colours in Australia is of the utmost importance. The wiring colours in Australia signify the purpose of each wire and provide information about the safe installation and operation of electrical equipment.



Electrical codes are constantly changing to incorporate new technologies and meet changing safety standards. As such, it is critical to double-check the relevant Australian colour code when dealing with electricity for your home. This article will explain the different colour coding of wiring that is generally used in residential properties.



History of Colour Coding in Australia



Colour coding in wiring began to be implemented in Australia during the early 1900s. At first, the colours were limited to the primary shades of black, red and green, but over time additional colours were introduced to differentiate different currents. In the late 1970s, the electrical industry in Australia introduced the now standard coloured wires – this is variously known as the Australian Standard AS/NZS 3000:2018 or the Standard Wiring Rules.



Australian Standard Colours



The current Australian standard for the colour coding of electrical wires specifies the following colours for wiring.




  • Black – Neutral

  • Red – Live

  • Green/Yellow – Earth

  • White – Common/Neutral

  • Blue – Live/Active



The neutral wire is always coloured black and should always be identified as such. The live wire is red, while the earth (or ground) wire is green or yellow depending on what type of installation it is.



Safety Tips for Working with Electrical Wires



Working with electricity can be dangerous, so it is important to take precautionary measures when working with electrical wires. Before getting started, it is essential to know the correct colour coding and to double-check that the cables are compatible with the equipment being installed.




  • Always double-check that the correct colour coding is used.

  • Ensure that all wires are properly connected and insulated.

  • If a colour-coding scheme is not used in a specific installation, use a label system to identify each wire.

  • When in doubt, always consult a qualified electrician.



In conclusion, it is essential to understand the different wiring colours in Australia to ensure the safe installation and operation of electrical equipment. It is vital to double-check the relevant Australian colour code as codes are constantly changing. By following the advice provided in this article, you can keep yourself safe when working with electrical wires. Remember to always follow the instructions of qualified electricians and always consult with them whenever in doubt.


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Wire Tec Electrical Ltd Home Facebook


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Resources

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Electrical Wiring Colours A Complete Guide Rs Australia

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