Here's one I've never heard mentioned here before.
A French 230V 20A plug... I've seen these in use in France before. (looks a bit like BS546 15A)
Adaptor for hooking up a normal 16A french plug or europlug:
or even 2:
3P+Ground (20A)
I've seen these on heating appliences.
Full 3-phase with neutral and ground (32A)
[This message has been edited by djk (edited 01-02-2004).]