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european electrical wire color coding

by Mr. Eddie Turcotte V Published 3 years ago Updated 2 years ago

European (IEC) Wire Color Codes Most European countries follow a wire color code established by the International Electrotechnical Commission (IEC) for AC branch circuits. This standard was originally published as IEC 60446, but was merged into IEC 60445 in 2010. Phase 1 - Brown Phase 2 - Black Phase 3 - Grey Neutral - Blue

IEC (most of Europe) AC power circuit wiring color codes
FunctionlabelColor, old IEC
Protective earthPEgreen-yellow
NeutralNblue
Line, single phaseLbrown or black
Line, 3-phaseL1brown or black
2 more rows

Full Answer

What is the European wire color code?

The International Electrotechnical Commission (or IEC) has established a wire color code for most European countries for AC “branch” circuits. Phase 1 - Brown Phase 2 - Black Phase 3 - Grey Neutral - Blue Ground - Green with Yellow Stripe Wiring Color code standards are set in place by the Canadian Electric Code (or CEC) in Canada.

What are the color codes for wires?

UK Old Wiring Color Codes

  • RED = Phase , Hot or Line, (L)
  • BLACK = Neutral (N)
  • GREEN / YELLOW = Earth Conductor “Protective earth” (PE)

What is the color code for electrical wiring?

What is the Colour code for electrical wiring? The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue….US AC power circuit wiring color codes. Function.

What color is electrical wiring?

The standard colouring of 277/480 Volt AC wiring is as follows:

  • Phase 1 - Brown
  • Phase 2 - Orange
  • Phase 3 - Yellow
  • Neutral - Grey
  • Ground - Green, green with yellow stripes, or bare

What Colour is the live wire in Europe?

brownWhat colour is the live wire? Live wire cable colours in the UK and Europe are brown.

What is the color code for electric wire?

The National Electrical Code (NEC) states that neutral conductors must be white or gray, whereas ground wires must be green or bare copper. All the other colors are more general, industry-accepted or standardized rules.

What is the color code for 3 phase wiring?

High-Voltage Wire Color Code Phase 1 wiring should be brown. Phase 2 wiring should be orange. Phase 3 wiring should be yellow. Neutral wires should be grey.

What colour are electrical wires in the UK?

The new electrical wiring colours in the UK are green and yellow for the earth wire; brown for the live wire, and blue for the neutral wire. The old electrical wiring colours in the UK are green and yellow (or bare) for the earth wire; red for the live wire, and black for the neutral wire.

What are the color code standards?

Color Code Chart Per NEMA & ICEA Method 1/K-1Cond. No.Base Color1st Tracer Color19BlueRed20RedGreen21OrangeGreen22BlackWhite56 more rows

What are the 3 colored wires called?

They are often color-coded, yellow for composite video, red for the right audio channel, and white or black for the left channel of stereo audio. This trio (or pair) of jacks can often be found on the back of audio and video equipment.

What are the old 3 phase colours?

Three phase installations have traditionally used red, yellow and blue for the phase conductors and black for the neutral conductor. These are replaced by the colours of brown, black and grey for the phase conductors and blue for the neutral conductor (Regulations 514-03-01 and 514-04-01).

Types of Wire Color Codes

There are quite a few different wire color code standards in place, so it is important to understand which one to follow in which situation. The st...

Labeling Electrical Wires & Conduits

The wire color codes used are only going to apply to the actual wires that are carrying the electricity. In many cases, a bundle of these colored w...

Effective Training Options

Those who work directly with electrical wiring on a daily basis will need to be initially trained on what each of the wiring color codes means. Onc...

Applying Color Standards to Existing Wiring

If there are wires in a facility that were put in place prior to the standards that are now used, it is important to take steps to address this saf...

What is the color code for AC wires?

This standard was originally published as IEC 60446, but was merged into IEC 60445 in 2010.

What does it mean when a cable marker is blue?

For example, if a cable marker is blue, that might indicate that it’s part of a specific subgroup of the local network. Printed text on the label, though, could identify which specific workstation uses that cable, which port on the server it should be connected to, as well as when the cable was installed.

What is the ANSI 606-A standard?

The ANSI/TIA/EIA 606-A standard includes recommendations for marking telecommunications wires. This standard provides a consistent approach that can be applied to many different kinds of connections over time.

Do you need to print wiring labels?

With information wiring, printed labels can be a necessity. Wire markers should be visible during installation and normal maintenance of the wiring systems. When those labels use printed text, they should use high-contrast and durable print.

Do older electrical systems have different color codes?

It depends on your location, installation type, voltage, and other factors. Note that older installations may use different color codes. In workplaces, it’s a good idea to document the color code that is being followed. This way, work will be safer, and future maintenance will be easier.

Is the color of wire the same?

There are many wire identification standards, and many of them rely on color codes. Not all electrical wiring color codes are the same, though, and some even contradict each other.

What color wires are used in UK AC circuits?

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. In principle any other colors except these may be used for the power conductors.

What color wire should I use for a hot wire?

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. The recommendations in Table below are by Wiles. He makes no recommendation for ungrounded power system colors.

What color conductors are used for 208 VAC?

Black, red, and blue are used for 208 VAC three-phase; brown, orange and yellow are used for 480 VAC. Conductors larger than #6 AWG are only available in black and are color taped at the ends.

What color is the neutral power conductor?

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. In principle any other colors except these may be used for the power conductors.

What color is the protective ground?

The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue.

What color is the ground for DC power?

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 protective ground must be bare, green or green-yellow striped. Hot (active) wires may be any other colors except these.

What is the IEC DC wiring color code?

The following IEC DC wiring color codes are used for Two-Wire Grounded, Two-Wire ungrounded and Three Wire grounded DC power systems.

Which countries use the IEC color code for DC?

Other Countries like China, Russia, KSA and UAE now follow the IEC Cable color codes for DC. 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.

What color wires are used for a PG?

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. Any other colors expected the above mentioned can be used for Live (Line or Hot) wires.

Does Russia use gray or purple?

Russia was following the same wiring color codes as China before but they adapted the IEC with little bit changes i.e. in a three phase system, they may use purple or gray color instead of gray in IEC. As things are little bit changed in Russia, so one must follow the tester before going in the mess.

What color wire is used for DC power?

The coloring is as follows: Positive - The wire for the positive current is red. Negative - The wire for the negative current is black. Ground - The ground wire (if present) will be white or grey.

Why are warning signs placed around electrical wires?

Placing warning signs anywhere that someone might interact with electrical wires, especially high-voltage wires, is another good idea for improving overall safety. These signs can serve as a good reminder to those in the area that there are dangerous wires present.

Why is it important to label wires?

When this is the case, it is important to take the time to properly label the wires and electrical conduits to warn people of potential dangers.

What happens if you don't wire properly?

If something is not wired properly, it can result in injuries, deaths, fires, and many other problems. This is why there are well-established wire color codes to ensure those working with an around this type of equipment can ensure everything is wired safely and effectively.

What color should a phase 1 volt switch be?

Phase 1 - Phase 1 wiring should be black. Phase 2 - Phase 2 wiring should be red. Phase 3 - Phase 3 wiring should be blue. Neutral - Neutral wiring should be white. Ground - Ground wiring can be green or green with a yellow stripe. In some uncommon situations, one phase will have a higher voltage than the others.

What color is phase 1?

Due to the serious potential for deadly electrocution or other issues, getting these color codes right is essential. Phase 1 - Phase 1 wiring should be brown . Phase 2 - Phase 2 wiring should be orange.

Can you apply color standards to existing wiring?

Applying Color Standards to Existing Wiring. If there are wires in a facility that were put in place prior to the standards that are now used, it is important to take steps to address this safety concern. One option is to remove and replace all the wiring in the facility.

What phase of wire is the black phase?

Phase 1 - Black Phase 2 - Red 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 marked orange for that phase.

Do older electrical systems have different color codes?

It depends on your location, voltage, and other important factors. Note: Older installations may use different color codes. It is always a great idea to document the color code that's being followed. This makes work safer, and any future maintenance needed, easier.

Do you need color coding for wire?

Color coding should always be added during installation with color bands that wrap around the wire. Self-laminating wire wraps and heat-shrink tubes should be utilized to create clean and professional labels for your projects. Load more comments.

A brief history of wiring color codes

It took until 1928 for wire color coding to make its debut. The National Electrical Code® (NEC) was the first to reference it, and today continues to set the standards for the electrical industry. Following a uniform color code makes it easier to assess electrical wiring, and ensure safety among licensed professionals and homeowners alike.

The NEC wire color coding standards

Though there are international wire color codes, the U.S. follows the National Electrical Code ® (NEC). The code is identified as NFPA 70 ® because the NEC is sponsored by the National Fire Protection Association. Though not a federal law (states can choose to adopt it), it is approved by the American National Standards Institute (ANSI).

3-Phase Wire Color Codes

Whether adding a home appliance or industrial machinery, you’ll need to know these electrical wiring color codes. In the U.S., these color-coded wires carry power from a circuit breaker to a device.

How Brady can help

Just like no two electrical projects are the same, you’ll find Brady support comes in different shapes and sizes. We offer industrial label printers, cable labels, wire markers, heat shrink sleeves, electrical safety signs and software — effective and easy ways to communicate vital information, and stay safe.

Nec Wiring Color Codes For AC – Us & Canada

  • US – NEC AC (Single & Multi-Phase) Wiring Color Codes
    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. Any other colors expected the above mentioned can be used for Live (Lin…
  • Canada – CEC AC (Single & Three-Phase) Wiring Color Codes
    Canadian Electrical Code “CEC” wiring color codes are similar in practice with National Electrical Code “NEC” except that White color is used for Neutral Wire and Green or bare conductor is used for protective ground. In some cases, the 1st and 2nd phase (lines) colors are in an inverse posit…
See more on electricaltechnology.org

IEC Wiring Color Codes For AC – UK , EU & Other Countries

  • 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. Keep in mind that some of the above mentioned co…
See more on electricaltechnology.org

China & Russia Wiring Color Codes

  • China PRC & Russia (Old) Wiring Color Codes
    Single Phase AC 1. YELLOW = Phase , Hot or Line, (L) 2. SKY BLUE or BLACK = Neutral (N) 3. GREEN / YELLOW = Earth Conductor “Protective earth” (PE) China Three Phase AC 1. YELLOW = Phase 1 or Line, (L1) 2. GREEN = Phase 2 or Line 2, (L2) 3. RED = Phase 3 or Line 3, (L3) 4. LIGH…
  • Russia New Wiring Color Codes
    Russia was following the same wiring color codes as China before but they adapted the IEC with little bit changes i.e. in a three phase system, they may use purple or gray color instead of gray in IEC. As things are little bit changed in Russia, so one must follow the tester before going in the …
See more on electricaltechnology.org

Australia & New Zealand Wiring Color Codes

  • Both Aussies and Kiwis are using the same wiring color codes for single phase and three phase power circuits. Single Phase AC 1. RED or BROWN = Phase , Hot or Line, (L) 2. BLACK or SKY BLUE = Neutral (N) 3. GREEN or GREEN / YELLOW = Earth Conductor “Protective earth” (PE) Three Phase AC 1. RED or BROWN = Phase 1 or Line, (L1) 2. WHITE = Phase 2 or Line 2, (L2) 3. BLUE = …
See more on electricaltechnology.org

Japan Wiring Color Codes

  • As the name suggests, Japan always does weird things. The single phase supply is 100V (Line to Neutral) and Three Phase supply is 200V (3 Lines, No Neutral). For wow reaction, Check the common neutral and 3rd Phase colors. They are the same i.e. white (Read the following note after the three phase codes for explanation). Single Phase AC 1. BLACK or RED = Phase , Hot or Line, …
See more on electricaltechnology.org

India, Pakistan, UAE, KSA & South Africa Wiring Color Codes

  • India and Pakistan including the other subcontinent countries as well as UAE (United Arab Emirate), KSA (Kingdom 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. Single Phase 230V AC 1. RED = Phase , Hot or Line, (…
See more on electricaltechnology.org

Israel Wiring Color Codes

  • Some countries adapted the IEC wring codes with little bit modifications. Israel follow the IEC codes with while the local practice wiring are as follow Single Phase 230V AC 1. BROWN = Phase , Hot or Line, (L) 2. BLUE = Neutral (N) 3. YELLOW / GREEN = Earth Conductor “Protective earth” (PE) Three Phase 415+ AC 1. BROWN (Or L1 Marking Sleeve) = Phase 1 or Line, (L1) 2. BROWN (…
See more on electricaltechnology.org

Indonesia Wiring Color Codes

  • Single Phase AC Supply 1. RED or BLACK = Phase , Hot or Line, (L) 2. BLUE = Neutral (N) 3. YELLOW / GREEN = Earth Conductor “Protective earth” (PE) Three Phase AC Supply 1. RED = Phase 1 or Line, (L1 or R) 2. YELLOW = Phase 2 or Line 2, (L2 or S) 3. BLACK = Phase 3 or Line 3, (L3 or T) 4. BLUE = Common Neutral (N) 5. YELLOW / GREEN = Earth Conductor “Protective Eart…
See more on electricaltechnology.org

Nec Wiring Color Codes For DC – Us & Canada

  • 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. These DC color codes applied on solar power, batteries& vehicles and other DC powered equipment like computer data centers wiring installation etc. Same as for AC, the mandatory colors for Grounded Neutral is White or Gray , Th…
See more on electricaltechnology.org

IEC Wiring Color Codes For DC – UK & EU

  • The IEC DC wiring color codes are adapted from IEC AC wiring color codes. 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. The following IEC DC wiring color codes are used for Two-Wire Grounded, Two-Wire ungrounded and Three Wire grounded DC power systems. Two Wire Ungro…
See more on electricaltechnology.org

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      • 18. /vendor/laravel/framework/src/Illuminate/Routing/Router.php:842
      • 19. Route binding:39
      • 20. /vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:167
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      • 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
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      Metadata
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      • 25. /vendor/livewire/livewire/src/ComponentConcerns/RendersLivewireComponents.php:69
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