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Thread: wire size calculation

  1. #1
    Join Date
    Feb 2013
    Location
    Pakistan
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    7

    wire size calculation

    how to calculate wire size(mm2)... any standard method?

  2. #2
    Join Date
    Feb 2009
    Location
    NY
    Posts
    1,226
    ...is it going into conduit, wire way, cable tray, air? Are you sizing it for grounding electrode conductor, equipment grounding conductor, voltage drop, etc. Your question is pretty vague .

  3. #3
    Join Date
    Sep 2008
    Location
    UK
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    6,168
    Quote Originally Posted by usman umar View Post
    how to calculate wire size(mm2)... any standard method?
    Don't. There is no merit in doing so.
    Use the tables in BS7671.

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