EVS-EN 62420:2008

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• Concentric lay stranded overhead electrical conductors containing one or more gap(s)

  Description:

  This International Standard specifies the electrical and mechanical characteristics of concentric lay stranded overhead electrical conductors, containing one or more self-supporting aluminium or aluminium alloy layer(s) as depicted in Figure 1, made of combinations of any of the following metal wires: a) hard-drawn aluminium as per IEC 60889, designated A1; b) aluminium alloy type A or B as per IEC 60104, designated A2 or A3; c) thermal resistant aluminium alloy type as per IEC 62004, designated AT1, AT2, AT3 or AT4; d) regular strength steel as per IEC 60888, designated S1A or S1B; e) high strength steel as per IEC 60888, designated S2A or S2B; f) extra-high strength steel as per IEC 60888, designated S3A; g) aluminium-clad steel as per IEC 61232, designated 20SA, 27SA, 30SA or 40SA.

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