95135-3-Port AlumiConn 100pc Box Permanent Aluminum Wiring Solution Approved by the Consumer Products Safety Commission (CPSC) and insurance companies Secure, mechanical connection of conductors. Runs approximately 25F cooler than purple twist-ons Provides a safer connection. Separate ports eliminate intermixing of conductors One piece for easy installation. Dielectric silicone inhibitor reduces corrosion of connection Tin-plated lug and nickel-plated screws. UL 486C to meet US and Canadian standards