IDEAL, Wire Connector, Wing-Nut, Twist-On, Number Of Conductors: 1 to 6, Environmental Conditions: Tough, UL 94V-2 Flame-Retardant Shell Rated At 105 DEG C (221 DEG F), Conductor Range: 18 - 10 AWG, Min 2 - 18, MAX 3-12, Material: Flame-retardant polypropelene shell, Color: Yellow, Voltage Rating: 600 V, Model Number: 451, Width: 1-1/64 IN, Height: 11/16 IN, Flammability Rating: UL 94V-2