DUAL-RATED AL/CU WIRE CONNECTORS: Rated for use with both copper and aluminum wires, ensuring safe and reliable connections for Class B or C building code conductors. Ideal for versatile applications with a max voltage of 600V. WIDE WIRE SIZE RANGE: Insulated Dual Side Entry 2-port Connector supports wire sizes ranging from 2 -14AWG - Allen Hex: Slotted or 5/32" - (16 Pack) EASY AND FAST INSTALLATION: Pre-filled with oxide inhibitor, these connectors make wire removal and re-installation a breeze using only a hex key and torque wrench, saving you time and effort on the job. EXCEPTIONAL BUILD QUALITY: Constructed from rugged 6061-T6 aluminum alloy with a high-dielectric plastisol dipped coating, these connectors are UL Listed for maximum reliability and safety, withstanding up to 215 max torque. RELIABLE AND SECURE: Detachable plugs ensure a tight closure of the entry port, keeping debris out and maintaining a secure connection. Perfect for both residential and commercial electrical projects. Black Multi-Tap Insulated Wire Connectors -2 Port Dual Entry -2 -14 AWG Wire Range -Slotted or 5/32" Allen Hex -Dual-rated Aluminum to Copper Wire Connectors -6061-T6 Aluminum CU9AL - (16 Pack)