First published in Australia as AS 2279.1-1979.Second edition 1991.Jointly revised and redesignated AS/NZS 61000.3.2:1998.Second edition 2003.Third edition 2007. Originated in Australia as AS 2279.1-1979. Jointly revised and redesignated as AS/NZS 61000.3.2:1998. Previous edition 2003. Third edition 2007.