IDEAL® Twister® General Purpose Winged Twist-On Wire Connector, Series: 341, 22 to 8 AWG Wire, 600 VAC, 105 deg C, Thermoplastic Polyester Shell, Tan, 1.14 in H x 0.72 in W x 0.54 in Dia, Box of 100
Twister® wire connectors have a live-action, spring-wire spring that locks onto wire for safe and secure connections.