Nilight High-quality Terminals Connector Kit. Color-coded tubing makes it easy to identify the right side of the connector for every application. Red: AWG 22-18; Blue: AWG 18-14; Yellow: AWG 12-10. This Self-Stripping Electrical T-Tap Spade Connectors combo makes tapping into an existing wire quick, easy, and reliable, with no wire stripping needed.