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Technical Information

Cables Composition

Inquiry and reference norms: IRAM 2011, IRAM 2028, IEC 25, ASTM B-8
The conductor quality determines mostly the cable good performance; it is important for the conductor to meet the mechanical and electric demands required in the norms to guarantee useful life, energetic saving and safe performance conditions.
The most used conductors are copper and aluminium, having the first the biggest electric conduction.
As there are different qualities, the best selection depends on the electric and mechanical demands (flexibility and toughness).

Conductors Types:
Solids (Class 1): They consist of only one wire. They are used for rigid installations, coaxial and telephone cables; the solid conductor has the best electric performance at high frequencies, thus its application in coaxial cables.




Semi-rigid and flexible cables (Class 2-4-5), (Classes B to K): They consist of different wires, forming a conductive twisted wire. The less wire diameter, the more flexible the twisted wire gets, offering the advantage of having a smaller radius of curvature, mobile installations application and handling and installation easiness.




Tinned ones: They ease the conductor welding and they are corrosion resistant.
Principal tests conductors must meet:
•OhM Resistance.
• Break enlarging.