Originated in Australia as AS CA8—1933.Originated in New Zealand, in part, as NZS 4701:1981.Previous edition AS/NZS 1554.1:2011.Ninth edition 2014. Originated in Australia as AS CA8-1933. Originated in New Zealand, in part, as NZS 4701:1981. Previous edition AS/NZS 1554.1:2011. Ninth edition 2014. Reissued incorporating Amendment No. 1 (September 2015). Reissued incorporating Amendment No. 2 (September 2017).