> However, I have seen many 2-pin (ungrounded) outlets > in my travels around the United States. Did I imagine > these? You didn't see the *third* prong for the 'safety ground' (meant to earth the external exposed metalic/conductive exterior of an appliance) - but the systems were still of the 'grounded' design (as our 'neutrals', of course, are grounded). Isn't it funny - that the proliferation of so-called double- insulated tools/appliances have now alleviated the need for that third 'prong'? RF Jim -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body