Twist Splice Wire Connectors TE Connectivity's Raychem Twist Splice Wire Connectors are designed for copper wires only. These splice connectors are inexpensive, insulated electrical terminations used in every type of residential and commercial application. TE's Twist splice wire connectors include wire, wing, twist, ground, and cap grip connectors designed to meet the standard color-coding specifications. These splice connectors offer termination of multiple wire gauges into a single splice. The wire connectors operate up to 600V (maximum) for building wiring, 1000V (maximum) in lighting fixtures, and at +105°C temperature. These connectors are available with UL94V-2 flame retardant thermoplastic. Applications include lighting installation, residential building wiring, and building equipment.