MARRETTE® TYPE II® high temperature wire connector for circuits up to 600 V and lighting fixtures and signs up to 1000 V. Made of tough, durable polypropylene and 105 °C rated to withstand high installation pressures. Long-Wing™ design for smooth hand application. The long, off-set wings with raised edges offer a full-length, finger-friendly gripping surface. Torque can be selectively applied exactly where you want it. Top for tight finger locations and bottom for large wire bundles. Live Action® variable volume spring expands to accommodate a wide range of wire combinations. Square wire construction gives a positive conductor bite to solid or stranded wires. For copper conductor only.