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IEC 62420:2008(E) specifies the electrical and mechanical characteristics of concentric lay stranded overhead electrical conductors, containing one or more self-supporting alumimium or aluminium alloy layer(s) made of combination of any of the following metal wires:
– Hand drawn aluminium as per IEC 60889, designated A1;
– aluminium alloy type A or B as per IEC 60104, designated A2 or A3;
– thermal resistant aluminium alloy as per IEC 62004, designated AT1, AT2, AT3, or AT4;
– regular strength steel as per IEC 60888, designated S1A or S1B;
– high strength steel as per IEC 60888, designated S2A or S2B;
– extra-high strength steel as per IEC 60888, designated S3A;
– aluminium-clad steel as per IEC 61232, designated 20SA, 27SA, 30SA or 40SA.
Product Details
- Edition:
- 1.0
- Published:
- 04/25/2008
- Number of Pages:
- 27
- File Size:
- 1 file , 1000 KB
