First published in Australia as part of AS 1076.2-1977.AS 2430.1 first published 1981.AS 1076.2-1977 and AS 2430.1-1981 revised, amalgamated and designated and designated AS 2430.1-1982.AS 2430.1-1982 revised and redesignated in part as AS 2430.3-1987.Second edition 1991.First published in New Zealand as part of NZS 6101P:1972.Revised and redesignated in part as NZS 6101.3:1991.AS 2430.3-1991 and NZS 6101.3:1991 revised, amalgamated and redesignated in part as AS 2430.3.9:1997.Second edition 2004. Originated in Australia as part of AS 1076.2-1977. Originated in New Zealand as part of NZS 6101P:1972. Previous edition AS/NZS 2430.3.9:1997. Second edition 2004.