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BCC Hard

The conductor are applied for overhead power transmission purposes

Seven or more copper wires the same nominal diameter are twisted together in concentric layers.
When conductor consists of more than one layer, alternate layers are twisted in opposite directions which is defined as right-hand lay (Z) or left-hand lay (S)

Bare Copper Conductor-Hard (BCC-H)
The conductor has mechanic characteristic minimum 428 N/mm2. The maximum resistivity at 20º C is 0.01786 ohm.mm2/m