I don't know what AWG is, although generally electrical wires in the UK are described in terms of area of cross section in square millimetres.

David King

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James R. Frysinger wrote:

Within IEEE SCC14 and within the IEEE/ASTM Joint Committee for maintaining SI 10, the matter of AWG sizes for electrical wire has come up a number of times.

I think that I successfully tracked down the source document as being ASTM B258-02. Work is in progress to confirm that this is indeed the source and not a parallel standard, merely supporting the definitions provided by another source.

A related question is this. Who in the world (literally), uses the AWG to describe the sizes of electrical wire? I imagine that Canadians and perhaps Mexicans might. I have seen mixed reports on Europe from various IEEE working group chairs; some say Europeans use AWG and some say they use only diameters in millimeters or areas in millimeters squared. Do any of our members here outside the U.S. have any insight on this?

Jim






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