What is SC A2 ? The field of activities of Study Committee A2 covers design, construction, manufacturing and operation for all kinds of power transformers, including industrial, DC converters and phase-shift transformers and for all types of reactors and transformer components (bushing, tap-changer, etc.) Presentation of SC A2 Answers to Questionnaires during Session and Colloquium ... Answers to Questionnaire - Paris 2006 ... Summary of answers - Moscow 2005 and Paris 2006 WG A2.40 Survey ...Cooper Sulphide and Corrosive Sulphur Questionnaire ...Mitigation Survey