4-3/0 AWG Split Bolt Connector By Penn-Union SW9A

Split Bolt Connector Copper Alloy-Bodied Type SW Conductor Range: 4 Stranded – 3/0 Stranded Conductor Diameter: .198 – .470″. For use with Copper to Copper. ***For use with Aluminum Conductors but Not UL Listed for Aluminum Conductor Applications***Material: CopperAllowable Gauge Range: 8 – 3/0