My apartment building powered its elevators with DC current until last year. Many years ago Con Edison supplied us with a transformer to turn AC current into DC current so they wouldn't have to supply us with the DC current, and then finally paid us to switch the elevators to AC current directly. -- "Loran T. Hughes" <loran at oldcrank.com> wrote: Just in case anyone missed the news: http://money.cnn.com/news/newsfeeds/articles/marketwire/0328895.htm Loran _______________________________________________ Phono-L mailing list http://phono-l.oldcrank.org