For copper-to-copper connections

Bolt and nut made of high-strength, corrosion-resistant silicon bronze alloy

For making pigtail, tap or straight splice with larger conductors, solid or stranded

Split bolts slip over continuous wire

The end of the other wire is then placed over the continuous wire inside the unit and the nut is tightened

Connections must be completely insulated

UL (Underwriter's Laboratories) listed