The XA_50743B_J is a 20_foot expansion section for the Hevi_Bar_II 1000_amp conductor bar system, engineered to manage thermal expansion and contraction in long, high-current conductor runs. This unit is equipped with a black UV-resistant PVC cover, making it ideal for outdoor or sun-exposed installations. The expansion bar is factory-assembled with a splice for quick and secure integration into existing systems. Designed with a Dura_Coat finish, it offers enhanced corrosion protection, making it suitable for harsh industrial environments such as ports, heavy manufacturing plants, and outdoor cranes. The 20 ft length provides flexibility in managing the physical growth of conductor runs caused by temperature changes. Key Features 1000_Amp Current Rating – Supports very high current loads in demanding industrial applications. 20 ft Expansion Length – Allows for significant thermal movement in long conductor runs. Black UV-Resistant PVC Cover – Durable and weatherproof for long-term outdoor use. Pre-Spliced for Fast Installation – Includes factory-assembled splice to reduce setup time and ensure strong connections. Dura_Coat Finish – Corrosion-resistant ceramic epoxy coating protects in aggressive environments. For Runs Over 390 ft – Recommended for systems with long conductor spans to prevent structural stress and electrical misalignment. Fully Compatible with Hevi_Bar_II Accessories – Seamlessly integrates into 1000_A conductor bar configurations with appropriate hangers and powerfeeds.