Give your wiring a twist with the Hyper Tough Wire Connectors 20 pack. The medium, P4 connectors securely link two or more wires. Each connector supports a wide variety or gauges and counts, including two wires up to 12AWG, to accommodate many applications. A bright yellow finish allows easy color coding for instant identification. Simply hold wires parallel and turn the wire nut clockwise until tight to secure the connection. Intended for the connectors are compatible with solid or stranded wires. The wire nuts easily support a wide range of uses. The recommended wire strip length is 3/8in. or 7/16in for wires 16AWG and smaller. For added convenience secure your connection.