High voltage cables bring numerous benefits to the electrical power industry, enabling efficient and reliable long-distance power transmission. One of the key advantages is their ability to transmit large amounts of electrical power over extended distances with minimal energy losses. By operating at high voltages, the current flowing through the cables can be reduced, which in turn decreases the resistive losses (I²R losses) in the conductors. This allows power to be transmitted from power generation sources, such as power plants, to distant substations and end-users with greater efficiency, saving energy and reducing operational costs. High voltage cables also contribute to the compactness of the electrical grid infrastructure. Since they can carry more power in a single cable, fewer cables are required for a given power transmission capacity compared to low-voltage systems. This reduces the space needed for power lines, making it easier to plan and construct transmission networks, especially in urban areas or areas with limited right-of-way. Moreover, high voltage cables are designed with robust insulation and protective layers to withstand the higher electrical stresses associated with high voltages, ensuring long-term reliability and safety of the power transmission system. They are essential for maintaining a stable and efficient power supply, supporting economic development and the increasing demand for electricity worldwide.