This European Standard specifies the electrical and mechanical characteristics of round wire concentric lay bare overhead electrical conductors stranded in alternate directions, with or without grease as per prEN 50326, made of one or a combination of any of the following: a) Hard drawn Aluminium as per HD 532 S1 designated AL1 b) Aluminium alloy as per prEN 50183 designated AL2 to AL7 c) ST1A, ST2B, ST3D, ST4A, ST5E, and ST6C designated the grade and class of zinc coated steel wire as per prEN 50189 d) 20SA (grades A and B), 27SA, 30SA, and 40SA designated the class of aluminium-clad steel wire as per EN 61232. Conductors made of zinc coated steel wires only are not included.
Required fields are indicated with *