Basic Construction of Copper-Core Control Cables

The basic construction of copper-core control cables comprises several components, including conductors, insulation, shielding, and a sheath. The conductors consist of stranded fine copper wires to enhance flexibility, thereby facilitating installation and routing. Insulation layers typically utilize materials such as polyvinyl chloride (PVC) or cross-linked polyethylene (XLPE) to ensure electrical isolation between individual cores. Shielding is a key feature of control cables; employing either braided copper wire or wrapped aluminum foil, it effectively suppresses external electromagnetic interference and ensures the integrity of control signals during transmission. Finally, the sheath provides overall mechanical protection and environmental resistance, with common materials including PVC and low-smoke, zero-halogen (LSZH) compounds.