Originated as part of AS Z2-1952 and AS Z3-1952.Previous editions AS/NZS 2210.2:1994, AS/NZS 2210.2:2000 and AS/NZS 2210.6:2001.Jointly revised, amalgamated and designated as AS/NZS 2210.2:2009. Originated as part of AS Z2 1952 and AS Z3 1952. Previous editions AS/NZS 2210.2:1994, AS/NZS 2210.2:2000 and AS/NZS 2210.6:2001. Jointly revised, amalgamated and designated as AS/NZS 2210.2:2009.