International Wiring Colours Codes Fixed wiring electricity supply requires specific wiring colour regulations (bs 7671) to identify different power lines in different countries. In nonmetallic sheathed cable (NM) now purchased used for residential and commercial wiring, the outer sheathing color indicates the wire gauge or size and amperage rating of the wire within. In the low-voltage (the normal voltages of 240V and 415V delivered to most customers) distribution network, the transmission line generally adopts a three-phase four-wire system, of which three lines represent the three phases of L1, L2, and L3 respectively, and the other is a neutral line N. In some jurisdictions all wire colors are specified in legal documents. Final Words: All you have learnt the wiring color codes for both DC and AC (1 & 3-Phase Circuits) in IEC & NEC and other regional relations. Bonding conductor is green or green with a yellow stripe. We depends on ad revenue to keep creating quality content for you to learn and enjoy for free. Some of the power wires and cables color codes are mandatory while others are optional. Some websites are saying that the IEC 60446 color code is actually recommended or required for EQUIPMENT sold in Australia. The local practice in the US follows and uses the Black color for Phase 1 (Hot 1) or Line 1 (L1) and Red for Phase 2 (Hot 2) or Line 1 (L2). The preferred colour codes shall be: Phase – 1: Black (for 120, 208, or 240 V), Brown (for 277, or 480 V). As per … The recommendations in Table below are by Wiles. Follow, © Copyright 2020, All Rights Reserved 2012-2020 by. However, older installed cable may not have this color coding. Electrical Wiring Color Codes for AC & DC – NEC & IEC, AC Single Phase & Three Phase And DC Wire & Cable Color Codes, IEC Wiring Color Codes for AC – UK , EU & Other Countries, India, Pakistan, UAE, KSA & South Africa Wiring Color Codes, NEC Wiring Color Codes for DC – US & Canada. The single phase supply is 100V (Line to Neutral) and Three Phase supply is 200V (3 Lines, No Neutral). If we have to wire single phase circuits from a 3 phase distribution board in a building, is it illegal to use wire colours brown, black and grey for the single phase circuits to distinguish between the 3 phases. The following i.e. How to Calculate the Battery Charging Time & Battery Charging Current – Example, Automatic UPS / Inverter Wiring & Connection Diagram to the Home, How To Calculate Your Electricity Bill. In short, the fowling wiring color codes are practiced in Canada. Ground - Green, Green with Yellow Stripe, or Bare Wire. When using the rule of six you will reference the first six circuits, their phase and color. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. in a three phase system, they may use purple or gray color instead of gray in IEC. In three phase power supply, the combination of Black, Red and Blue wires for power conductors are used for 120/240V AC whereas the combination of Brown, Orange and Yellow wires for power conductors are used for 277/480 V AC. There are no brown orange yellow colour standards in Canada. See Table below. Learn how to identify wires for your safety. It is this more consistent electrical power that allows machines to run more efficiently and last many years longer than their relative machines running on the other phases. Neutral - Neutral wiring should be white. Conductors larger than #6 AWG are only available in black and are color taped at the ends. He makes no recommendation for ungrounded power system colors. When using the rule of six you will reference the first six circuits, their phase and color. Wiring for AC and DC power distribution branch circuits are color coded for identification of individual wires. 1 decade ago What is the color code for 600 volt 3 phase wiring in ontario canada ? A.1.1 In this standard, the term electrical includes both electrical and electronic equipment. Distribution Board Wiring. This is the most common four-wire three-phase delta service and is essentially a 240 volt, three-phase, three-wire delta service with one of the 240 volt transformer winding center tapped to provide two 120 Vac circuits, which are 180 degrees out of phase with each other. Mex.) US, AC:The US National Electrical Code only mandates white (or grey) for the neutral power conductor and bare copper, green, or green with yellow stripe for the protective ground. Pls upload the husky machine input and output electrical devices. Check, and double check, your work before applying power. Russia was following the same wiring color codes as China before but they adapted the IEC with little bit changes i.e. The IEC color standard for DC power cables is listed in Table below, adapted from Table 2, Cook. Other Countries like China, Russia, KSA and UAE now follow the IEC Cable color codes for DC. India and Pakistan including the other subcontinent countries as well as UAE (United Arab Emirate), KSA (Kingdome of Saudi Arabia) and South Africa AKA “Proteas” (They adapted the IEC now) follow the old UK wiring color codes i.e RYB (Red, Yellow and Blue for Three phase) and Red & Black for Phase and Neutral respectively. Thanks. The common color code for three phase in, on or behind the wall electrical wiring is shown below. The most common three-phase system will have three “hot” legs, 208 V to each other and 120 V each to the neutral. Canadian Electric Code “CEC” wiring color codes are similar in practice with National Electric Code “NEC” expect that White color is used for Neutral Wire and Green or bare conductor is used for protective ground. Canadian Single/Split Phase 120/240. Phase – 2: Red (for 120, 208, or 240 V), Orange (for 277, or 480 V). Electrical Wire & Cable Size Calculator (Copper & Aluminum), A Complete Guide About Solar Panel Installation. Mostly 120V and 240V (there is a second hot or phase wire in 240V single phase AC system). Electrical wiring in Canada is governed by the Canadian Electric Code (“CEC”). How to Find the Proper Wire and Cable Size for Electrical Wiring Installation – IEC & NEC. Neutral: White (for 120, 208, or 240 V), or Grey (for 277, or 480 V) Three-phase electric power is a common method of alternating current electric power generation, transmission, and distribution. Feel free to print it out as a quick re… The older color codes in the table reflect the previous style which did not account for proper phase rotation. black - phase 1; red - phase 2; blue - phase 3; white or with 3 white stripes - neutral; green - ground; 277/480 Volt. Some manufacturers use a step down transformer and use 460 volt fan motors and step down again to 24v for controls, Your email address will not be published. See Table below. Three-phase electricity is by its very nature a much smoother form of electricity than single-phase or two-phase power. But don’t trust the cable insulation colors in these areas as electricians use old as well as new color codes for both AC and DC. Typical power wiring color codes. These colors are used for multi-phase 277 & 480V in Canada. Limited Edition... Book Now Here. Your email address will not be published. Three-phase electricity is by its very nature a much smoother form of electricity than single-phase or two-phase power. Related Post: A Complete Guide About Solar Panel Installation. Normal Wiring for a 120 / 208 V 3 Phase Panel. They can also be found in large residential complexes and appliances requiring a large amount of power. Keep in mind that some of the above mentioned countries such UK, Russia & China etc were using their own “Old wiring color codes” but now follow the IEC power circuit wire codes. Get Free Android App | Download Electrical Technology App Now! Below is a simple light switch wiring diagram if needed. How to find the Proper Size of Circuit Breaker For Installation? Normal Wiring for a 120 / 208 V 3 Phase Panel. See Annex C for examples of industrial machines covered by this standard. Should a 3 phase 208Y secondary be coloured Black-black-blue so it is not confused with a 4 wire 240V Delta Red-Black-Blue ? Requirements that apply only to electronic equipment are so identified. For wow reaction, Check the common neutral and 3rd Phase colors. Electrical engineers, contractors, traders, manufacturers and especially electricians around the world use different electrical wiring color codes for cable and wire installation and electricity distribution in industrial buildings or residential homes. 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. Also is there a reason Canada makes the A phase the (red) high leg while the US code calls for the B phase (orange) to be the high leg? L3=blue. Related Post: How to find the Proper Size of Circuit Breaker For Installation? Phase – 3: Blue (for 120, 208, or 240 V), Yellow (for 277, or 480 V). The colors adopted as local practice are shown in Table below. black - phase 1; red - phase 2; blue - phase 3; white or with 3 white stripes - neutral; green - ground; 277/480 Volt. As things are little bit changed in Russia, so one must follow the tester before going in the mess. For adding new colored wiring to existing old colored wiring see Cook. 1 decade ago What is the color code for 600 volt 3 phase wiring in ontario canada ? Typical power wiring color codes. Each system must have it's color code labeled at the distribution panels if there are more than one voltage system in the building As the name suggests, Japan always does weird things. In other jurisdictions, only a few conductor colors are so codified. In that case, local custom dictates the “optional” wire colors. 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. Normal Wiring for a 120 / 208 V 3 Phase Panel. Ground - Ground wiring can be green or green with a yellow stripe. Ground – Green or Green with Yellow StripeFig. If the wiring system has one phase at a higher voltage than the others, using a “high-leg” connection, that phase’s wires should be marked with orange. The International Electrotechnical Commission (or IEC) has established a wire color code for most European countries for AC “branch” circuits. Apparently AS/NZS 3000 allows you to use the EU color code also. These rules are applicable in the UK, EU and all other countries who follow the new IEC color codes instead of local and regional codes. Canadian Three Phase, Low Voltage 120/208. 3 Phase, Phase 3 – Blue 5. Favorite Answer. How to Calculate/Find the Rating of Transformer in kVA (Single Phase and Three Phase)? Step by Step Procedure with Calculation & Diagrams, How to Wire a Distribution Board with RCD, How to Wire Wire a Distribution Board [Single Phase], How to Connect a Portable Generator to Home Supply System (Three Methods), Different Types of Electrical Wiring Systems and Methods of Electrical Wiring Installation, Single Phase Electrical Wiring Installation in Home – NEC & IEC, Three Phase Electrical Wiring Installation in Home – NEC & IEC, Even More Electrical Wiring Installation Diagrams & Tutorials. It is a type of polyphase system and is the most common method used by electrical grids worldwide to transfer power. View our Wire & Resistor calculators in our Tool section. UK, AC: The United Kingdom now follows the IEC AC wiring color codes. The protective ground must be bare, green or green-yellow striped. Electrical Color Code. Black, red, blue. Create one now. In some cases, the 1st and 2nd phase (lines) colors are in an inverse position as compared to NEC. Generally Black/Red/Blue is the color coding for a 3 phase 208 system and Brown/ Orange/Yellow can be 3 phase 480V. According to BS 7671, we have to use brown colour for phase wire and blue colour for neutral in a single phase circuit. These DC color codes applied on solar power, batteries & vehicles and other DC powered equipment like computer data centers wiring installation etc. Prior to March 2004, the UK were following their own wiring color codes. In this tutorial, we will discuss the different wiring color codes for AC (Single Phase & Three Phase), DC Power followed by NEC and IEC (Most countries (including Europe) adapted the IEC wiring color codes such as UK, China, Russia, Hong Kong, Singapore, Ukraine, Belarus, Kazakhstan, Turkey, Israel, South Africa, Argentina, Malaysia, KSA, UAE etc.) Related Post: How to Find the Proper Wire and Cable Size for Electrical Wiring Installation – IEC & NEC. brown - phase 1; orange - phase 2; yellow - phase 3; gray or with 2 white stripes; green with yellow stripe - ground Wire colors used for 208V multiphase powers circuits. Electric Bill Calculator with Examples, How to Find The Suitable Size of Cable & Wire for Electrical Wiring Installation? There are some differences between AC and DC, so wire color codes for DC are a little bit different than that of AC wire color codes in both NEC and IEC. Neutral is white or natural grey. Don't have an AAC account? Adhere to the proper color code when hooking up a UPS. It's even stated in the code book. Single Phase Line (labeled as L): black or red (in case of a second active) Phase 1 (labeled as “L1”): red. The AC power cable color code is nearly similar to the code used in the USA except exclusion of bare copper from ground wire. The most important thing to remember is this: The following IEC DC wiring color codes are used for Two-Wire Grounded, Two-Wire ungrounded and Three Wire grounded DC power systems. The general terms machine and machinery as used throughout this standard mean industrial machinery. However, common practice (per local electrical inspectors) is for the first hot (live or active) wire to be black and the second hot to be red. Three Phase 208V AC: BLACK = Phase 1 , Hot 1 or Line 1 “L1” RED = Phase 2 , Hot 2 or Line 2 “L2” BLUE = Phase 3 , Hot 3 or Line 3 “L3” White = Neutral “N” GREEN, BARE or GREEN / YELLOW = Ground “PG” Three Phase 277V & 480 V AC: Wire Color Codes For USA Phase 1: Black Phase 2: Red Phase 3: Blue Neutral: White Ground wire is either a Green wire, a Bare Wire or a Green wire with Yellow Stripe. The following requirements on wire color codes apply in Canada: 1. The proper wiring color codes used in the installations is a best strategy for lines, neutral and ground wire tracing, time-saving, easy maintenance/troubleshooting and protection for those who are working on it. 277V and 480V AC supplies are used for industrial and high power equipment such as motors and  heaters in factories and production units. Required fields are marked *, All about Electrical & Electronics Engineering & Technology. As mentioned above, most of the Europe Union countries and UK, China, Russia, Hong Kong, Singapore, Ukraine, Belarus, Kazakhstan, Israel, Turkey, Argentina, South Africa, KSA (Saudi Arabia), UAE (United Arab Emirate) and Malaysia are following the IEC “International Electrotechnical Commission” wiring codes. Both Aussies and Kiwis are using the same wiring color codes for single phase and three phase power circuits. Circuits are labeled with the odds on the left and the evens on the right. A 3 phase panel wiring is A, B, C – left to right- and top to bottom. Three phase power in Canada 600vac and 208vac is red black blue per Canadian Electrical Code. Control colors are not specified exept that only grounded conductors may be white or natural grey. Canada: Canadian wiring is governed by the CEC (Canadian Electric Code). Control colors are not specified exept that only grounded conductors may be white or natural grey. 120/240 Volt. just gives red/blue/black for general 3 phase conductors, but gives orange/yellow/brown for 277/480 volt 3 phase systems. So one must test with a tester to confirm the phase and neutral as well as positive and negative wires. Resiential systems are normally fed by 2 phases and a neutral (single phase, 3 wire) which in fact is part of a 208Y/120V , Y grounded system. Bonding conductor is green or green with a yellow stripe. I have seen purple used also There is nothing stating this but these are the standard colors. In Canada, the Canadian Electrical Code (CEC) mandates electrical wiring color codes for all functions. If you want to add your own country / region (or saw some weird) wiring color codes, let us know in the comment box below and we will be able to add them to this post. 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. The most common residential and small commercial service in Canada and the U.S., single split-phase, 240 V, features a neutral and two hot legs, 240 V to each other, and 120 V each to the neutral. 25% Off on Electrical Engineering Shirts. One North American standard (Can. These are listed in Table below. How to Find the Rating (Current & Voltage) of a Switch, Plug, Outlet etc? The IEC DC wiring color codes are adapted  from IEC AC wiring color codes. 1.1* Scope. The USA have their own wiring colours for electrical circuits, black, red, and blue are used for 208 VAC three-phase; brown, orange and yellow are used for 480 VAC. U.S. U.S. Mex.) Any other colors can be used for hot (phase) wires. The most important thing to remember is this: Black, red, and blue are used for 208 VAC three-phase; brown, orange and yellow are used for 480 VAC. Related Post: How to Find the Rating (Current & Voltage) of a Switch, Plug, Outlet etc? What I want to double check is the color order in Canada. 3 Answers. These codes apply on both AC and DC power circuits. IEC, DC: DC power installations, for example, solar power and computer data centers, use color coding which follows the AC standards. Neutral – White 6. The app displays the phase color for each breaker number for you. Please consider supporting us by disabling your ad blocker. International Wiring Colours Codes Fixed wiring electricity supply requires specific wiring colour regulations (bs 7671) to identify different power lines in different countries. Step by Step Procedure with Calculation & Diagrams. white (Read the following note after the three phase codes for explanation). the phase colors are red black blue. The protective ground wire (listed as green-yellow) is green with yellow stripe. The switch diagram below is for a dimmer switch. Meanwhile, the following colors are adapted in the local practice and used for Lines, Neutral and Ground wires are as follows. (This is required in NEC article 110.15.) In Canada, wire color coding standards are set by the Canadian Electric Code (CEC). The U.S. NEC does not currently mandate those colors. Phase 3 - Blue Neutral - White Ground - Green, Green with Yellow Stripe, or Bare Wire If one phase of your wiring is at a higher voltage than others, using a high-leg connection, wires should be … One North American standard (Can. The protective ground is green or green with yellow stripe. Phase 3 - Phase 3 wiring should be blue. The U.S. NEC does not currently mandate those colors. However, red (+) and black (-) follows the coloring of the grounded systems in the table. The mandatory colors for power wiring in National Electric Codes (NEC) are Green, Bare or Green/Yellow (Yellow Strip or band on Green) for Protective Ground “PG” and White (alternatively Grey) for Neutral Wire. These old wiring color codes are still used in the subcontinents including India, Pakistan, UAE and South Africa. 3 Phase, Phase 1 – Red 3. 3 Phase, Phase 2 – Black 4. Our website is made possible by displaying online advertisements to our visitors. Single Phase Line (labeled as L): black or red (in case of a second active) Phase 1 (labeled as “L1”): red Phase 2 (labeled as “L2”): black Phase 3 (labeled as “L3”): blue Neutral Conductor (labeled as “N”): white Protective Earth (labeled as “PE”): green or green-yellow To simplify international wiring color codes, we’ve created this Color Coding for International Wiring infographic. The USA have their own wiring colours for electrical circuits, black, red, and blue are used for 208 VAC three-phase; brown, orange and yellow are used for 480 VAC. EE-Tools, Instruments, Devices, Components & Measurements, ABYC Cable & Wire Color Codes for Yacht, Boat & Marine Wiring, Resistor Color Code Calculator – 3, 4, 5 & 6 Band Resistors Calculation, NEC Wiring Color Codes for AC – US & Canada, US – NEC AC (Single & Multi-Phase) Wiring Color Codes, Canada – CEC AC (Single & Three-Phase) Wiring Color Codes, UK & EU: IEC AC (Single & Three-Phase) Wiring Color Codes, China PRC & Russia (Old) Wiring Color Codes, Australia & New Zealand Wiring Color Codes. IEC, AC: Most of Europe abides by IEC (International Electrotechnical Commission) wiring color codes for AC branch circuits. the phase colors are red black blue. * These colors (For Hot Wires) are not mentioned in the NEC but recommended and used by electricians as general practice. A brief description of the UK three-phase electrical wiring colour standards and the implementation of harmonised colours from 31 March 2006. Mar 14, 2017 - Canadian electrical cable color code wiring diagram Canada: Canadian wiring is governed by the CEC (Canadian Electric Code). https://www.electronicshub.org/electrical-wiring-color-codes Hot (active) wires may be any other colors except these. Some countries adapted the IEC wring codes with little bit modifications. Neutral is white or natural grey. Phase 1 - Brown; Phase 2 - Black; Phase 3 - Grey; Neutral - Blue; Ground - Green with Yellow Stripe; Canadian Wire Color Codes for AC Power. So I would say that if your product may be dual marketed into EU countries, you should consider using the EU color codes. The electrical power cabling system contains phases, neutral and earthing. The EN codes supersede the old British Standards (for the time being, at least) and the international standard EN 60204-1 specifically governs Control Panel Wire Colour Codes. International wire color codes are often specified by law depending on your location, though most rely on common practice, below we cover Europe and Canada. Related Post: Electrical Wire & Cable Size Calculator (Copper & Aluminum), Related Post: Types of Electrical Wires and Cables. The hot and neutral lines should be two distinct colors, but the colors can vary for the different wires. There’s no such thing as 480v Usa and canada are 600v. The protective ground is green or green with yellow stripe. Usage of the ungrounded system is discouraged for safety. brown - phase 1; orange - phase 2; yellow - phase 3; gray or with 2 white stripes; green with yellow stripe - ground Neutral - White. They are the same i.e. Phase 2 (labeled as “L2”): black. To make sure a uniquely safe and easy identifying system some colour code system is followed internationally. Keep in mind that in case of three phase supply, there is no need for neutral wire here in Japan. Red or orange wires are often used to provide the secondary phase voltage in a 220-volt application. Identifying electrical wiring properly is an important step when replacing a light fixture, installing an outlet or handling other electrical work. In addition, we will be showing the wiring color codes used by US, Canada, UK, EU, Australia, New Zealand, Russia, China, Japan, India, Pakistan and South Africa. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a … Up tp 93% Off - Launching Official Electrical Technology Store - Shop Now! Israel follow the IEC codes with while the local practice wiring are as follow, Related Post: How to Wire Wire a Distribution Board [Single Phase]. The Canadian Electrical Code (CEC) regulates electrical wiring color coding in Canada. In Canada, the Canadian Electrical Code (CEC) mandates electrical wiring color codes for all functions. Published under the terms and conditions of the, Time-of-Flight Sensors for In-Cabin Vehicle Safety, Op-Amp Basics: Introduction to the Operational Amplifier, Positive (of a negative grounded) circuit, Negative (of a negative grounded) circuit, Positive (of a positive grounded) circuit, Negative (of a positive grounded) circuit. This is also known as two phase or split phase AC supply but mostly called single phase supply. Any other colors expected the above mentioned can be used for Live (Line or Hot) wires. Three Phase Wiring Color Codes. Phase 3 (labeled as “L3”): blue. Single Phase, Line (Hot) – Black or Red 2. Circuits are labeled with the odds on the left and the evens on the right. Table below lists these along with the obsolete domestic color codes.