cliparts/9/5/7/e/clipart-rsa-iec-transformer-symbol-4-957e.svg image/svg+xml Open Clip Art Library RSA IEC Transformer Symbol-4 2008-09-10T11:41:56 Transformer with nonsaturating magnetic core. http://openclipart.org/detail/19161/rsa-iec-transformer-symbol-4-by-rsamurti rsamurti circuit circuit clip art clipart iec iec image media public domain svg symbol symbol