Keywords: underground cable materials, direct burial cables, cross-linked polyethylene (XLPE), high-density polyethylene (HDPE) conduits, corrosion-resistant materials.

Answer: For underground electrical distribution, the choice of materials is critical for protection and reliability. Cross-linked polyethylene (XLPE) is the standard insulation material due to its excellent electrical properties and thermal stability. Cables for direct burial often feature a robust outer jacket made of polyvinyl chloride (PVC) or polyethylene (PE) for protection against moisture and physical damage. In addition to the cables, the use of high-density polyethylene (HDPE) conduits is essential for creating a durable pathway for the cables, protecting them from a corrosive underground environment. We offer a full range of underground cable laying equipment, including cable pullers and winches designed to handle these specific materials safely and efficiently, minimizing the risk of damage during installation.