Dear Friends, As per Dave Kamp in his last post...10% tol. would give you more than enough room for the top...Surely no USA sources go as high as 126.5V...??? So it may make it a bit irrel. for the 390 series..?? Regards, John (JLAP) __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com