Morris 90612 Aluminum Splice/Reducer Mechanical Connector Type 2 Screws Number-2-Number-14 Wire Range Aluminum Splicers/Reducers 2 Screw - 2 Screw Aluminum Splice for Copper and Aluminum Cable Aluminum Splice Reducer is AL9CU Dual Rated for both Copper and Aluminum Conductors Manufactured from High Strength 6061-T6 Aluminum Alloy to ensure both Maximum Strength and Conductivity Electro Tin Plated to provide low contact resistance and protection against corrosion 90612~90614 use slotted screws