On Thu, 12 Jan 2006 07:36:53 UTC, "Bob Eager" wrote:

On Wed, 11 Jan 2006 23:48:22 UTC, "Dave Plowman (News)"
wrote:

If someone invented a plug which could mate with another plug (electrical
wise) they'd make a fortune.

It's been done. Never seen an original IBM Token Ring cable? Here, about
half way down (search for 'hermaphrodite' on te page):

http://www.tavi.co.uk/ps2pages/ohland/TR-cable.html

Better picture (photos) here...

http://en.wikipedia.org/wiki/Electrical_connector

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