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arjun2480
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Join Date: Aug 2011
Posts: 1

Understanding Power Cable

08/30/2011 6:25 AM

Dear all,

could you pls let me know what is the reason behind the standard cable sizes, like1.5,2.5,4,6....32..70, 95 Sq.mm cables instead of 1, 5, 10, 15, 20,30........100Sq.mm??? so easy to remember. could you tell me why the cables are of those sizes....

further , for cable more than 16 Sq.mm we are using ECC usually half the size of the power cable why????? when u know that Resistance of a conductor is inversely propotional to area of cross section???? again earthing cble is required to have least resistance

could you pls let me know why???
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#1

Re: understanding power cable ???

08/30/2011 6:58 AM

It's all in British Standard 7671.

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TonyS
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Join Date: Aug 2010
Location: Resting under the Major Oak
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#2

Re: Understanding Power Cable

08/30/2011 4:12 PM

Closest metric equivalents to imperial cable sizes

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thccontrols
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Join Date: May 2010
Location: UK
Posts: 89
Good Answers: 2
#3

Re: Understanding Power Cable

09/04/2011 7:51 AM

because that is the sizes that have been arround since Adam was a boy, it what you have to work with so lets not questions it, just accept it!
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