Split Bolt Connectors For Copper Conductors #6 (Pkg of 2) Save when you buy the 2-Pack! Split Bolt Connectors For Copper Conductors - This Split Bolt Connector for Stranded Wires is durable and easy to use Split bolt connector is UL listed for Copper and Copper weld stranded wires only Manufactured from compact, high strength, high copper alloy Free running threads and easy to grip wrench flats; Highly resistant to season cracking and corrosion