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Topic Title: Colour Code For Outter Sheath 25/50/110/230/400V Cord Extensions
Topic Summary: Coluor Identification
Created On: 04 January 2013 11:46 AM
Status: Post and Reply
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 04 January 2013 11:46 AM
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jacksonjohn

Posts: 27
Joined: 20 November 2003

Can you please advise where in BS7671 I find the colour coding for the outter sheath of cables carrying various voltages?
I believe the colours are
25V Violet
50V White
110V Yellow
230V Blue
400V Red

Many thanks,

John Jackson TMIET
 04 January 2013 11:58 AM
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Avatar for rocknroll.
rocknroll

Posts: 8827
Joined: 03 October 2005

Those colours you refer to are the plug/socket colours as per BS EN 60309

Each voltage grouping has its own distinct colour coding for mating compatibility.

regards

-------------------------
"Take nothing but a picture,
leave nothing but footprints!"
-------------------------
"Oh! The drama of it all."
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"You can throw all the philosophy you like at the problem, but at the end of the day it's just basic electrical theory!"
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 04 January 2013 12:02 PM
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Jaymack

Posts: 4587
Joined: 07 April 2004

Originally posted by: jacksonjohn
Can you please advise where in BS7671 I find the colour coding for the outter sheath of cables carrying various voltages?

Funningly enough, a search in the index reveals for "cable colours" leads to P116.

Regards
 04 January 2013 12:28 PM
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jacksonjohn

Posts: 27
Joined: 20 November 2003

Thanks but this section does not advise the industry known standard colours for the various power extension leads e.g. construction sites 110 volt is Yellow.
Any ideas?
 04 January 2013 12:47 PM
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Jaymack

Posts: 4587
Joined: 07 April 2004

Originally posted by: jacksonjohn
Thanks but this section does not advise the industry known standard colours for the various power extension leads e.g. construction sites 110 volt is Yellow. Any ideas?


It's not in the knowing, it's knowing where to look.

http://www.langir.com/htm/socket-plug.html
 04 January 2013 12:56 PM
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spinlondon

Posts: 4437
Joined: 10 December 2004

They do a plug where you can turn two of the pins to swop over phases, excelent idea.
 04 January 2013 10:58 PM
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slittle

Posts: 3463
Joined: 22 November 2007

We've found them on a lot of door control gear Spin, I guess it makes it simple for the door installers to change the rotation.

Stu
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