Aluminum Tap Connectors,Type: TC, Cover color: Blue, connector use: GP-500 / GT-500. Parallel and Tee Taps are manufactured from high strength 6061-T6 aluminum alloy to insure both maximum strength and conductivity. They are dual rated for both copper and aluminum conductors and are electro tin plated to provide low contact resistance and protection against corrosion. Only a scredriver or allen wrench is needed for assembly. They are also reuseable.90° C Rated (486B Listed). UL listed and CSA certified.