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Bare Conductor

Bare conductor cable is an electrical conductor having no covering or electrical insulation generally made of aluminum (either plain or reinforced with steel, or composite materials such as carbon and glass fiber), though some copper wires are used in medium-voltage distribution and low-voltage connections to customer premises.

Feature
The conductors are applied for overhead power transmission purposes, medium tension overhead systems and distribution networks.

ALUMINIUM
Aluminium Conductor The conductor shall be constructed of hard drawn aluminium wires with 99,45% minimum purity of aluminium. The maximum resistivity at 20° C is 0.028264 ohm.mm²/m.
All Aluminium Conductor (AAC) The conductor shall be constructed of hard drawn aluminium wires with 99,45% minimum purity of aluminium. The maximum resistivity at 20° C is 0.028264 ohm.mm²/m.
All Aluminium Alloy Conductor (AAAC) 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 20° C is 0.0328 ohm.mm²/m
Aluminium Conductor Steel Reinforced (ACSR) The conductor shall be constructed of All Aluminium Conductor (AAC) and one or stranded seven Galvanized Steel Wires as a core, together built up in concentric layers.
COPPER
Bare Copper Conductor - Hard (BCC-H) The conductor has mechanic characteristic minimum 428 N/mm². The maximum resistivity at 20° C is 0.01786 ohm. mm²/m.
Bare Copper Conductor - Half Hard (BCC-1/2H) The conductor has mechanic characteristic between minimum 340 N/mm². Maximum 410 N/mm². The maximum resistivity at 20° C is 0.01784 ohm.mm²/m.
Annealed Copper Wire (BCC Soft) The conductor has maximum resistivity at 20° C is 0.017241 ohm.mm²/m.