TELE-FONIKA Kable S.A.
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Bare cables to supply and distribute energy

The characteristic feature of the bare overhead cables, distinguishing them among other energy carriers, is the use of air as a natural insulation for cables hanging in line, specially designed insulators are installed only in places of the suspension of cables on pillars. No need to use additional insulating materials and relatively simple and low cost structure in connection with well-mastered installation techniques make up the relatively low costs of the construction of an overhead electrical network. For this reason, the bare cables are a preferred mean of energy transport, particularly in the case of power lines of high and medium voltage.
The most commonly used today, conventional bare cables can be divided into three main types, which differ from each other in the main materials used to produce them.

Aluminium cables of AL type, based on PN-EN 50182. Aluminium cables, reinforced with steel, of AL type, based on PN-EN 50182. Aluminium alloy cables with high strength, of AL type, based on PN-EN 50182. Aluminium and steel cables of ACSS and ACSS/TW type, based on PN-EN 50540.

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