December 2009 IEC 60216-3(Second edition 2006)Electrical insulating materials Thermal endurance properties Part 3:Instructions for calculating thermal endurance characteristics C O R R I G E N D U M 1 Replace the software supplement referred to in the Foreword and in Annex E by the attached new version of the software supplement.LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.