Full Technical Description: 600 kcmil min. Conductor Size; 4 AWG Max. Conductor Size; Copper/Aluminum Conductor Material; UL 468A/B, CSA Approval; 600 Volt Voltage Rating; Aluminum Body Material; 2 Port(S); (2) Side Entry Cable Entry; Unitap Brand; Overall Dimension 2.56 Inch Length X 3 Inch Width X 2.75 Inch Height; BIBD Model