Australian House Wiring Colours

By | February 21, 2015



Australian House Wiring Colours: All You Need to Know



Whether you’re a landlord or a home owner, it’s important to have a basic understanding of Australian house wiring colours. This knowledge can help you evaluate the safety of existing wiring and also prevent you from making potentially costly mistakes. In Australia, the most commonly used colour codes for electrical wiring are based on the AS/NZS 3000 wiring code.



When reviewing any wiring, it's important to be mindful of not only the colour but also each wire's overall condition. Loose wires, corrosion and signs of wear and tear should be addressed as soon as possible. Here, we'll dive into the basics of Australian house wiring colours to help you better understand the wiring in your home.



Overview of the AS/NZS 3000 Wiring Code



The AS/NZS 3000 Wiring Code is the national electrical code for all Australian and New Zealand states. It is regularly updated to ensure compliance with best practices and safety standards. This code outlines the rules, regulations and procedures that must be followed when conducting wiring work. When properly adhered to, this code helps to ensure the safety of anyone dealing with electrical wiring.



One of the key aspects of this code is the regulation of Australian house wiring colours. This code dictates which coloured wires should be used for specific connection types and also acts as a guide to help electricians identify the purpose of a particular wire. Below, we'll discuss the importance of correctly identifying the purpose of a wire in detail.



Importance of Identifying the Purpose of a Wire



Identifying the purpose of a wire is a critical step when dealing with electricity. Different electrical systems require different wires for different purposes. If these wires are incorrectly identified or connected, it could lead to severe damage and even electrocution.



To help prevent such disasters, each different type of wire should be connected to a specific terminal. For example, an Active wire should always be connected to a Line terminal and a Neutral wire should always be connected to an Earth terminal. By understanding which wires should be connected to which terminals, electricians can ensure the safety of the connection.



Australian House Wiring Colours



Australian house wiring colours typically follow the AS/NZS 3000 Wiring Code, although some states have adopted slight variations. The following table outlines the standard Australian house wiring colours and their corresponding functions.




























Colour Function
Red Active wire
Black Neutral wire
Blue Switched Active wire
Green/Yellow Earth wire
White/Grey Neutral conductor


As you can see, each colour indicates a different purpose, and it's important to have a proper understanding of each one. Connecting different coloured wires to the wrong terminal can result in serious safety hazards. The green or yellow wire, in particular, should never be used as a Neutral wire as this can result in electrocution.



Conclusion



Understanding the basics of Australian house wiring colours is essential for anyone who needs to work with electrical connections. Correctly identifying and connecting these wires per the AS/NZS 3000 Wiring Code is the best way to ensure the safety of those working with electricity. If you're ever unsure about which wires should be used for a particular purpose, make sure to consult a professional electrician for advice.


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Resources

Resources


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