Wire Nuts

5 Color Coded Models cover common construction wire ranges. Gray  ( Max. Wires - 2 ) #16  /  ( Min. Wires - 2) #22  @ 300V Blue  ( Max. Wires - 3 ) #16  /  ( Min. Wires - 2 ) #18  @ 300V Orange  ( Max. Wires - 2 ) #14  /  ( Min. Wires - 2 ) #18  @ 600V Yellow  ( Max. Wires - 3 ) #14  +  ( 1 ) #18  /  ( Min. Wires - 3 ) #18  @ 600V Red  ( Max. Wires - 3 )  #14  +  ( 3 ) #18  /  ( Min. Wires - 3 ) #18  @ 600V Ribbed Cap provides positive grip for fast easy installation. Narrow Design allows more room in tight boxes. Quick Indentification color coded to industry standards for faster selection. Fixed Square Spring provides more secure gripping on conductors. UL-CSA Rated. Flame Retardant Thermoplastic provides excellent electrical insulation.