Elektrolites [Power] Pvt. Ltd. Offers Insulated Bus Ducts. Elektrolites [Power] Pvt. Ltd. Is an ISO 9001 registered organization. The Insulated Bus Ducts are used for transmission of high voltage power from within a substation or a building requires a high insulated carrier. The insulated bus ducts are used to carry the high tension wires from equipment to the other. The Insulated Bus Ducts are available in 3.3 kV to 245 kV 8000 amp for power generation stations and sub-stations.