On Tue, 4 Sep 2007 00:55:11 UTC, John Rumm
wrote:

John wrote:

PLEASE tell us all that you no longer do any electrical work (even making an
allowance for Part P sillyness!). THIS is one of the very first things you
are taught in 'electrical college' after "DO NOT put the screwdriver in
there!!!"

In the grand scheme of things, it makes little difference. As long as
you know what size cable you should be using where, whether the units
are CSA in mm^2, or diameter in micro furlongs does not make much
difference.

For the record, in case MH finds it useful...!

Diameter of 2.5T+E is about 8.85 ufurlongs...

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