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Color code for DC (direct current, battery):

+ = red
- = black

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Standard Wire Colors for Flexible Cable

(e.g. Extension Cords, power cords and lamp cords)

Region or Country

Phases

Neutral

Protective earth/Ground

European Union (EU), Argentina, Australia, South Africa

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Australia, New Zealand

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Brazil

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United States, Canada

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(brass)

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(silver)

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(green) or

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(green/yellow)

Standard Wire Colors for Fixed Cables

(e.g. In/On/Behind the wall wiring cables)

Region or Country

Phases

Neutral

Protective earth/Ground

Argentina

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European Union and UK

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UK Prior to March 2004

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Image Added(formerly)


Australia, New Zealand

Any colors other than:

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Recommended for single-phase:

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Recommended for multiphase:

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or


 (Since 1980)

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 (Since 1980)

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bare conductor, sleeved at terminations (formerly)

Brazil

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South Africa

Image AddedImage Added or

Image AddedImage Added

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Image Added

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bare conductor, sleeved at terminations

India, Pakistan

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United States

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(120/208/240V) (brass)Image AddedImage Added,

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(277/480V)


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(120/208/240V)

(Silver)

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(277/480V)

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bare conductorImage Added

(ground or isolated ground)

Canada

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(120/208/240V)

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(600/347V)

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(single-phase isolated systems)

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(three phase isolated systems)

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(120/208/240V)

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(600/347V)

Image Added(green)

Image Added

bare conductor

Image Added(isolated ground)

Important points to bear in mind when wiring.

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