Jim, I am referring to as separate connection from neutral to ground at the consumers board. Then from there, the consumer's ground distributed throughout the building. And no, this is NOT done all over the world. A relatively recent introduction in North America, if I am not mistaken. Regards, Sean -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body