They are insulated with materials that have high dielectric strength to prevent leakage and breakdown of electrical current. The most commonly used insulation materials for HT power cables are cross-linked polyethylene (XLPE) and ethylene propylene rubber (EPR). Om Engineering Solution is the leading high voltage cable supplier in Faridabad.
For more visit - https://www.omengineeringsolution.com/products/polycab-cables-and-wires/ht-power-cable/