Home Electrical Electrical Wiring Devices Wiring Connectors Mechanical Connectors & Lugs Mechanical Terminal Lugs Blackburn® ADR60AR Type ADR-ALCUL Anti-Rotational Dual Rated Mechanical Connector, 2 AWG to 600 kcmil Aluminum/Copper Conductor, 1/2 in Stud, 1 Bolt Hole, Aluminum