Full Technical Description: Jumper Clamp Type; Cast Copper Alloy Clamp, Silicon Bronze Bolt, Tin Plated Groove Material; 6 AWG Solid min. Run Conductor Size; 6 AWG Solid Max. Run Conductor Size; 6 AWG Solid min. Tap Conductor Size; 6 AWG Solid Max. Tap Conductor Size; Parallel Groove Installation; UL (Canada and Us), UL 467) Approval; JC Model