The model of the steel core aluminum stranded wire is divided into: JL/G1B JL/G2A JL/G2B JL/G3A JL/G1A
Where: G1A or G1B refers to the general strength of steel wire.
G2A or G2B refers to the high strength steel wire.
G3A refers to the ultra high strength steel wire.
Model differences: a case study of JL/G1A-240/30 type steel core aluminum stranded wire.
In the national standard (GB/T1179-2008) in the current JL/G1A-240/30 said;
In the national standard (GB/T1179-1983) in the LGJ-240/30 said.