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Cable Size

Discussion in 'Electrics UK' started by SENTNATH, 17 Oct 2006.

This topic originated from the How to page called Choosing the correct size cable.

  1. SENTNATH

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    What does it mean MCM when you refer to cable size
     
  2. Richardp

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    MCM means thousand circular
    mills. A circular mil is a unit of area equal to that of a circle 1 mil in
    diameter. obvious really ! :LOL:
     
  3. SENTNATH

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    Thanks for your explanation.
     
  4. sm1thson

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    and dont get mills confused with mm
     
  5. Richardp

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    and don't get a circular mil confused with a square mil ;)
     
  6. slippyr4

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    a mil being more usually known (this side of the pond) as a thou - ie. a thousandth of an inch.
     
  7. Richardp

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    the standard unit of size in most cases is the mil foot, a wire will have a unit size if it has a diameter of 1 mil and a length of 1 foot.
    its found in American and English wire tables,avoiding decimals.
     

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