A 110kV composite insulated conduit cable terminal is a key accessory used in high-voltage power transmission and distribution systems to connect insulated power cables to overhead lines, transformers, switchgear, or other electrical equipment. It is designed to safely terminate a 110kV cable while ensuring reliable electrical insulation, mechanical protection, and long-term stable operation under demanding environmental conditions.The terminal typically uses composite insulation materials, which combine high-performance polymer housing with advanced insulating components. Compared with traditional porcelain or oil-filled designs, composite insulation offers several advantages, including lighter weight, improved pollution resistance, strong hydrophobicity, and better resistance to aging, impact, and vibration. These features make the terminal suitable for outdoor substations, urban power networks, industrial installations, and regions with harsh weather or heavy contamination.The conduit structure provides a protected passage for the cable end and helps guide the transition from underground or indoor cable systems to external equipment connections. Inside the terminal, the cable conductor is connected through a reliable stress-control system that manages electric field distribution and prevents partial discharge or insulation breakdown. This is especially important for 110kV systems, where voltage stress at the cable termination point is high and requires precise design.A well-designed composite insulated conduit cable terminal must ensure excellent sealing performance to prevent moisture ingress, which could damage insulation and reduce service life. It also needs strong mechanical strength to withstand wind load, thermal expansion, and accidental external forces. The terminal’s creepage distance, insulation profile, and stress cone structure are carefully engineered to maintain dielectric reliability in polluted or humid environments.Installation and maintenance are also important considerations. Composite terminals are generally easier to transport and install due to their reduced weight. Their modular design can simplify on-site assembly and shorten construction time. In operation, they require less maintenance than many conventional terminals, which helps reduce lifecycle costs and improve system availability.In modern power systems, the 110kV composite insulated conduit cable terminal plays an essential role in ensuring safe and efficient energy transmission. It provides a dependable interface between cable networks and electrical equipment while supporting high insulation performance, environmental adaptability, and operational reliability. As power infrastructure continues to develop, this type of terminal remains an important solution for medium- and high-voltage cable applications.