What Colour Are 3 Phase Wires

By | August 11, 2022



Colour-coding electrical wires is a crucial part of any electrical installation process, and it is no different when dealing with three phase wires. Three phase wires are used in large commercial and industrial applications to provide high levels of power. Understanding the different colours used for this type of wire will help ensure safety and accuracy during installations.

When it comes to colour-coding three phase wires, there are three main colours that are universally used. These are red, white, and black. The red wire represents the live line, which is the conductor of the electrical current. This is the wire you should never touch. To protect yourself, it is important to wear protective gloves and make sure it is properly insulated. The white wire is usually the neutral or “ground” wire, while the black wire is the return from the load.

It is important to understand the purpose of each wire when dealing with three phase wiring. Each wire should be identified before beginning work on the project. All three wires must be connected properly in order to ensure a safe and efficient electrical system. Understanding the purpose, colour, and function of three phase wires will help prevent accidents and reduce the risk of injury during installations.


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