Long Barrel Compression Lug Splices, #4 Wire, Gray Color Code – Electrical Wire Connector Topaz Long Barrel Compression Lug Splices are designed for reliable electrical connections in heavy duty applications. Fabricated from seamless, high conductivity copper tubing and tin plated for corrosion resistance, these splices are suitable for use by electrical distributors and switchgear suppliers requiring durable wire and cable connectors. The gray color coding facilitates easy identification for #4 AWG conductor sizes. UL listed and rated for 486 AMP, these splices meet industry standards for secure compression connections. Specifications Conductor Range: 4 AWG Amperage Rating: 486 AMP Material: Copper Connection: Compression Color: Gray Product Weight: 0.0300 lb Manufacturer: Southwire Manufacturer Part #: 3103 Features Seamless, high conductivity copper tubing suitable for heavy duty applications Tin plated for optimal corrosion resistance Color coded for easy identification UL listed for safety and compliance Downloads & Links Spec Sheet