cliparts/3/6/0/4/clipart-rsa-iec-transformer-symbol-1-3604.svg image/svg+xml Open Clip Art Library RSA IEC Transformer Symbol-1 2008-09-09T16:41:15 Symbol for transformer. http://openclipart.org/detail/19148/rsa-iec-transformer-symbol-1-by-rsamurti rsamurti circuit circuit clip art clipart iec iec image media public domain svg symbol symbol