Versatile and reusable set screw connectors made from high strength 6061-T6 aluminum alloy for superior electrical and mechanical performance. Clear plated for low contact resistance; stud is tin plated copper which provides low contact resistance for connection to transformer. Suitable for use with both copper and aluminum conductors. Rated 600 Volts. Meets or exceeds ANSI C119.4 Class a specifications. Also available with the following options: tin plating, anodized set screws or disc pad screws. Number of conductors: 2.