Morris Products 90366 Split Bolt Connector With Spacer Split Bolt Connectors With Spacer For Copper Conductors - This Stranded Wires Connector comes with Spacer for wire seperation Split Bolt Connector is UL listed for Copper and Copper weld Stranded wires only Manufactured from Compact, high strength, high copper alloy Uniform bright electro-tin plating resists corrosion, reduces contact resistance and gives you maximum conductivity Spacer separates dissimilar conductors and provides long contact length that prevents high pressure point contacts between run and tap connectors Used With Copper Conductors, 500 AWG, 500 - 500 Max Run To Max Tap, 500 - 2/0 Min Run To Min Tap, 500 - 2/0 Max Run To Min Tap, 300 - 300 Min Equal Tap and Run 825inlb Torque