The global busbar trunking system market was valued at USD 2. 4 billion by 2034, at a CAGR of 9. Refurbishment of existing grid networks. Volatile. The Busbar Trunking System Market Report is Segmented by Conductor Material (Copper, Aluminium, and Cuponal/Bi-metallic), Insulation Type (Sandwich and Air-Insulated), Power Rating (Lighting, Low-Voltage, Medium-Voltage, and High-Voltage), End-User (Industrial, Commercial, Transportation, and. Busbar Trunking System by Application (Residential, Commercial, Industrial), by Types (Low Voltage System, Medium Voltage System, High Voltage System), by North America (United States, Canada, Mexico), by South America (Brazil, Argentina, Rest of South America), by Europe (United Kingdom, Germany. The global Busbar Trunking System market is valued at $8. Volatile raw material. Busbar trunking systems are a type of electrical power distribution system that uses busbars to distribute electrical power within a building or industrial facility. These systems offer several advantages over traditional cable systems, such as cost-effectiveness, flexibility, ease of installation, and improved energy.