Orange Wire-Nut wire connector, 100 per box. Twist-on splice connector for common copper wire combinations in electrical, lighting, and contractor 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.
Blue Wire-Nut electrical wire connector, 100 per box. Twist-on splice connector for residential and commercial electrical work covering common small-gauge conductor combinations.
Gray Wire-Nut electrical wire connector, 100 per box. Twist-on connector for splicing solid and stranded copper conductors in electrical, lighting, and panel work.