Conductor Range: 14 AWG to 2/0 AWG Conductor Material: Dual-rated for copper (CU) or aluminum (AL) wires Material Composition: Electro-tin plated 6061-T6 aluminum alloy Port / Conductor Count: 2 ports (2-conductor) Stud / Bolt Size: 1/4 inch Drive Size: 3/16 inch hex Temperature Rating: 90°CVoltage Rating: Up to 2000V (suitable for circuits rated 35 kV or less with proper spacing) Certifications: UL 486A/B listed, UL 467 listed, and CSA certified