wire size

Discussion in 'General Electronics Chat' started by samjesse, Mar 1, 2010.

  1. samjesse

    Thread Starter Active Member

    Sep 14, 2008
    202
    0
    Hi

    I googled for #14 wire size and found it to be 1.6mm in diameter. is that including or excluding the insulation?

    So when I go to buy it from jaycar in Australia, we do not use the US system here, but mm. not sure if that will in/exclude the insulation.

    thx
     
  2. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    The 1.6mm does not include the insulation; it is the diameter of the copper wire.
     
  3. JDT

    Well-Known Member

    Feb 12, 2009
    658
    85
    In the metric world, electric wire is normally sized by it's cross sectional area.
    14 AWG corresponds to about 2mm(squared). Standard sizes are 1.5mm(squared) or 2.5mm(squared).

    Alternatively, (no. of strands)/(diameter of each strand in mm) is used.

    According to my "Cable and Wire Book":-
    28/0.30 = 1.98mm(squared) or
    35/0.30 = 2.46mm(squared)

    The insulation type and thickness is another whole ball game!
     
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