They are designed to connect copper conductors. Each connector is electro-tin plated to resist electrolytic corrosion. They are installed using standard industry tooling. Chamfered ends and an integral center cable stop ensure simplicity and ease of conductor insertion.
Modified Industry Description
Copper Standard Barrel Connector
Scotchlok™ 054007-12725 Compression Splice Connector, 35 kV, 4 AWG Wire, Copper