Cable End Caps are applied with rubber gloves. They are used on high voltage distribution cable ends found in vaults, cubicles, and substations when cable remains energize during work. Cable End Caps are made from orange Type II SALCOR® Synthetic Rubber. Self-Securing Cable End Caps for Underground Distribution are rated at 20kV, and have a minimum wall thickness of 0.25". They keep moisture and contamination off trimmed cable ends. The self-securing slot keeps the cable locked safely inside the end cap. Measures 1.38" x 10" and is for use with cable size #4/0 to 500 MCM. Sold in multiples of 12.