What are the main components of a power line?

2025-08-10

The essential components of a power line system are:

  • Conductors: These are the actual wires or cables that carry the electric current. They are commonly made of aluminum with a steel core for added strength (ACSR). Our company specializes in manufacturing OHTL wire and cable OHTLstringingequipment.com/Conductor-Stringing-Equipment.html target='_blank'>conductor stringing equipment to install these lines.

  • Insulators: Made from non-conductive materials like porcelain, glass, or polymers, insulators prevent the electric current from leaking to the support structures (poles/towers). The number of insulator disks increases with higher voltages.

  • Support Structures: These include various types of poles (wood, concrete, steel) and towers (lattice, tubular steel) that hold the conductors at a safe height above the ground.

  • Hardware and Fittings: A wide array of hardware is used to connect and secure the conductors and insulators to the support structures, including crossarms, clamps, spacers, and dampers. At Ningbo Changshi, we supply a comprehensive range of these overhead tools and accessories.

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