Non-Insulated Service Entrance Splices 840 Die Model: X1U336 350-350 - These High Conductivity Insulated Service Entrance Splices are perfect for Electrical Service InstallationsInsulated Service Entrance Splices 840 Die Model: X1U336 350-350 features include: For Large Residential and Commerical Service DropsOur highly conductive Splice meets or exceed Class A-3 requirements of ANSI C119.4, when properly installed on Aluminum to Aluminum or Aluminum to Copper Conductors High Conductivity Aluminum Splices have Solid Center Barriers and Large Chamfers to ease cable insertion Highly conductive Service Entrance Splice is coated with Oxide Inhibitor Compound Color Coded and marked with catalog numbers, strip lengths, installing die references and compression locations RUS Approved ANSI C119.4 Compliant Order Qty of 1 = 1 Piece Below is more info on our Non-Insulated Service Entrance Splices 840 Die Model: X1U336 350-350