1. Conductor – Stranded Hard Copper / Aluminum

• Material options: High-purity hard copper (resistivity ≤0.017241 Ω·mm²/m) or aluminum (lightweight, cost-effective). Both comply with IEC 60228 Class 2. Good tensile strength for overhead spans.

• Structure: Concentric stranded, smooth surface, uniform current distribution, no local overheating.

• Key cross-sections (10kV overhead):

  • 16 mm² – Branch lines, rural/small-area supply.

  • 35 mm² – Medium capacity lines (industrial parks, urban distribution).

  • 95 mm² – Main lines (grids, large agricultural/industrial loads).

2. Insulation – Three Options (XLPE / PE / PVC)

All comply with GB/T 14049-2008 for 10kV.

• XLPE
  – Working temp: 90°C (normal), 250°C (short-circuit ≤5s).
  – Low dielectric loss, high insulation resistance, excellent weather/aging resistance.
  – Preferred for harsh outdoor, long-distance 10kV lines.

• PE
  – Working temp: 70°C. Lightweight, low cost, moisture-resistant.
  – Suitable for short spans, rural lines, urban branches.

• PVC
  – Working temp: 70°C. Flame-retardant, acid/alkali resistant.
  – Suitable for general outdoor use (avoid prolonged direct sun), e.g., workshop overhead lines, short urban branches.

3. Optional Outer Sheath (Weather‑Resistant)

• Material: Weather‑resistant PVC or PE.

• Function: Enhances UV resistance, abrasion resistance (sand/wind). Extends cable life in high UV, windy, or long‑span overhead environments.