1. conductive phase or auxiliary conductor - twisted from round aluminium wires, has a round shape, sealed.
2. conductive carrier core - twisted from round aluminium alloy wires.
3. core insulation - made of light-stabilised self-extinguishing cross-linked composition.
Insulated phase conductors have distinctive colours. Auxiliary conductors are digitally marked. The surface of the carrier conductor is marked with marking data
5. Twisting - insulated conductive conductors are twisted around the neutral conductor. The conductors are twisted in the right direction.
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