240v Cable Colours
Electrical wiring color code guide.
240v cable colours. Understanding 120 240v wiring color code. Installation wiring also known as building wiring is for things such as the wiring behind power points and walls. Brown this is the live wire. 277v ac 480v ac.
Never rely on a wire s color alone. Abyc cable wire color codes for yacht boat marine wiring there are multiple colors used for different wires and cables in different regions for ac alternating current single phase three phase and dc direct current for design and installation based on the local codes rules and regulations. Blue this is the neutral wire. The wire color codes used are only going to apply to the actual wires that are carrying the electricity.
New electrical cable colours were introduced in the uk in march 2006. Since 2006 british law dictates that the colours mentioned above must be used in all new electricity installations. Electrical wiring colour codes in australia we use a somewhat confusing mixed colour coding system. 208v ac and 240v ac.
Quoting from authoritative codes standards for each region we provide a table summarizing the current and prior wiring color code conventions used by electricians in building wiring. There is a situation where a white wire can be utilized in converging ungrounded potential which still abides with the latest cycle of the nec. Old australian colour code multiphase. This helps to protect people from accidental exposure.
The white wire in a 240v circuit. This is the earth wire. Phase 1 red phase 2 white phase 3 dark blue neutral black earth green. Our equipment wiring and our installation wiring i e.
This article describes the electrical wiring color code conventions for 120v or 240v ac circuit wiring in buildings in canada the u s the u k. We use an european system for our equipment wiring but we use an old british ish system for our installation wiring. Us high voltage cable coding is applicable to voltages such as. The uk s new cable colours for plugs are now harmonise with europe s power cable colours for ac dc.
Any electronic wiring in a uk home features three colours of wiring which are used for three different functions. This is the time a cable can be used to feed a 240v load. Australia also have a different wiring colour standard. The list below also outlines the different colour codes for single phase and multiphase in australia.
Brown orange and yellow are used for 480 vac. The usa have their own wiring colours for electrical circuits black red and blue are used for 208 vac three phase. In many cases a bundle of these colored wires will be grouped together and sealed within a black or grey cable.