ANSI C119.5-2018 establishes the electrical, mechanical and environmental test requirements for electrical insulation-piercing connectors. Covers insulation-piercing connectors used for making electrical connections between insulated, insulated-to-bare and bare-to-bare conductors rated 600 V or less and 90 °C (low voltage aerial bundled cables and bare and insulated line wires) on overhead distribution lines for electric utilities.