Connect 1 wire hole. Use this to connect two wires together without using solder or a crimp tool. Comes 4 in a package. The shell is made of imported polycarbonate material, abrasion resistance and oxidation resistance, UL 94V-0. The contact conductor is made of high-precision pure copper. The surface treatment of contact conductor is made of pickling, plating, environmental protection and oxidation resistance treatment. The rated voltage is 0-36V. The rated current is 9A. The working ambient temperature is 0-40 ℃. The temperature resistance is - 20-120 ° C. The flame retardant grade is conforming to UL-94-V0. The minimum cross section is 0.35 mm ² 22awg. The maximum cross section is 0.75 mm ² 18awg. CE and Rohs listed.