SAFETY PLUG: Ideal for connecting to extension cords outdoors or for tying down and repairing damaged power cables. High quality power plug provides max. MATERIAL: Use high quality materials for the power plug, long service life, which provides reliable protection against various external factors such as drops and bumps. Ideal strain relief is guaranteed. ASSEMBLY: The power socket just needs to connect the cable, insert the wires according to the connector terminal, fix the wires and to tighten the screws, then tighten the external screws, suitable for wires of different sizes, the rubber tail can according to it the size of the diameter of the cable to be cut. SOCKETS ARE SUITABLE FOR WIRE IN DIFFERENT SIZES: the rubber tip can be cut according to the size of the cable diameter. OUTDOOR: The protective contact plug is suitable for outdoor use and is protected against splashing water. The waterproof material ensures a good seal.