Actually an excellent and culturally appropriate plug/socket
combination is this:

<http://www.amotostuff.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=PSO-001&Category_Code=powerlet>

Appropriate because Westfalia put them in some of the
Westies.  Small, neat, rated sixteen amps -- can't go wrong, except
they're not free, of course.

--
David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
'84 Westy "Dutiful Passage," '85 GL "Poor Relation"