Electrical engineers and electricians follow predefined wiring colour codes while wiring houses, commercial buildings and industrial panel boards. The NFPA-79 Wire Color Code is important for any person to quickly identify Circuits. For those who want to learn, a simple guide can help to understand their meaning . The protective ground must be bare, green or green-yellow striped. Hot (active) wires may be any other colors except these. Why do house wires come in different colors? The NEC calls out (3) Colors: * Green (GRN): Green is Ground (the world around) or Green with a Yellow Stripe (YEL Tracer)(GRN/YEL) * White (WHT): White is the Grounded Neutral (if the Neutral is not Grounded - it should not be White) * Grey … Depending on where a wire ultimately gets installed, you cannot always rely on the markings printed on the insulation coating, nor will you always be able to read them legibly. Although, we do highly recommend to leave these jobs to the professionals for safety reasons it is helpful to know the differences. Even there are different colour codes for AC and DC wires. Wiring color codes used for electrical wiring has a specific meaning with different colors for different types and purposes of circuits. Wire Color Code Chart / Colour code of electric wire. ELECTRICAL WIRING COLOUR CODES. The helpful reality is that you really have only three types of wire to identify: hot, neutral, and ground. The Insulated Cable Engineers Association outlines the color code in Standard S-73-532 in Annex E. The Standard breaks down the color code into methods of circuit identification. March 9, 2018 ; By: camtec; If you want to do a bit of DIY in the home or see what may be wrong with your wires then you will definitely need to know what the different coloured wires generally mean. These electrical color codes specify the function of each wire in a given circuit. Electricians and contractors understand these codes. Wire Color codes are used to identify electrical conductors for point-to-point wiring and for circuit diagrams. The wiring colors differentiate ideally between the hot, neutral, or ground wires. US DC power: The US National Electrical Code (for both AC and DC) mandates that the grounded neutral conductor of a power system be white or grey. The quickest way to identify house electrical wiring is by its color. The electrical wiring colour codes followed is slightly different in every part of the world depending on the standards they follow. 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. Electrical wiring color code guide: 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. and the I.E.C. Consequences of using the wrong Wire Color could be lethal. Related Post: Electrical Wiring Color Codes for AC & DC – NEC & IEC; Primary Wire and Cables Color Codes For Marine & Boats – ABYC The proper wiring color codes used in the boat wiring is a best strategy for different wires tracing, time-saving, easy maintenance & troubleshooting.
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