In Australia First published in Australia as AS C122-1939.Second edition 1964Ap.Revised and redesignated AS 3122-1981.Second edition 1985.Third edition 1989. In New Zealand First published in part as NZSS 198:1939.Second edition 1951.Third edition 1958.Fourth edition 1967.NZSS 2147 first published 1967.NZSS 198:1967 and NZSS 2147:1967 revised, amalgamated and redesignated in part as NZS 6218:1989. AS 3122-1989 and NZS 6218:1989 revised, amalgamated and designated as Joint Standard AS/NZS 3122:1993. In Australia First published in Australia as AS C122-1939. Second edition 1964Ap. Revised and redesignated AS 3122-1981. Second edition 1985. Third edition 1989. In New Zealand First published in part as NZSS 198:1939. Second edition 1951. Third edition 1958. Fourth edition 1967. NZSS 2147 first published 1967. NZSS 198:1967 and NZSS 2147:1967 revised, amalgamated and redesignated in part as NZS 6218:1989. AS 3122-1989 and NZS 6218:1989 revised, amalgamated and designated as Joint Standard AS/NZS 3122:1993.