Ideal Industries 30-2091 Combo Wire-Twist and Wing-Twist Connector Kit 620-Piece

Yellow Wing-Nut wire connector with wings for added torque, 100 per box. Twist-on splice connector for residential and commercial electrical work.

Tan Twister wire connector with square-wire spring for higher torque retention, 100 per box. Twist-on connector for common copper wire splices in electrical and contractor work.

Yellow Wire-Nut wire connector, 100 per box. Twist-on splice connector for mid-size copper wire combinations in residential and commercial electrical work.

Red Wire-Nut wire connector, 100 per box. Twist-on splice connector for larger copper wire combinations in residential, commercial, and industrial electrical work.

Orange Wire-Nut wire connector, 100 per box. Twist-on splice connector for common copper wire combinations in electrical, lighting, and contractor work.