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IEC 62420
  • IEC 62420:2008 pdfダウンロードConcentric lay stranded overhead electrical conductors containing one or more gap(s) 1 Scope This International Standard specifies the electrical and mechanical characteristics of concentric lay stranded overhead electrical conductors, containing one or more selfsupporting 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 601 04, designated A2 or A3; c) thermal resistant aluminium alloy type as per IEC 62004, designated AT1 , AT2, AT3 or AT4;...
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