The resistivity of copper and aluminum specified in this standard is consistent with the provisions of the international standard IEC28 (1925) "International Standard for Copper Resistance" and IEC105 (1958) "Standards for Industrial Pure Aluminum Busbar Materials". The specifications and sizes stipulated in this standard are determined according to GB321-80 "Priority Numbers and Priority Number Systems".
GB 5585.1-1985 history
2018GB/T 5585.1-2018 Copper or aluminium and its alloy bus bars for electrical purposes—Part 1: Copper and copper alloy bus bars
2005GB/T 5585.1-2005 Copper or aluminium and its alloy bus bars for electrical purposes Part 1:Copper and copper alloy bus bars
1985GB 5585.1-1985 Copper or aluminium and its alloy bus bars for electrical purposes--Part 1:General
GB 5585.1-1985 Copper or aluminium and its alloy bus bars for electrical purposes--Part 1:General was changed to GB/T 5585.2-2005 Copper or aluminium and its alloy bus bars for electrical purposes Part 2:Aluminium and aluminium alloy bus bars.
GB 5585.1-1985 Copper or aluminium and its alloy bus bars for electrical purposes--Part 1:General was changed to GB/T 5585.1-2005 Copper or aluminium and its alloy bus bars for electrical purposes Part 1:Copper and copper alloy bus bars.