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AAAC (All Aluminium Alloy Conductor)

The conductor are applied for overhead power transmission purposes, medium tension overhead systems and distribution networks

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)

AAAC (All Aluminium Alloy Conductor)
The conductor shall be constructed of hard drawn aluminium alloy wires which consists of:
minimum 97.28% aluminium
±0.5% magnesium
±0.5% silicon
The maximum resistivity at 20º C is 0.0328 ohm.mm²/m