This J&H LED Weatherproof wire connector allows a workaround for open air splices. It allows for the easy extension of wires, while adhering to the building code. Product is made of high-quality plastic material, resistant to corrosion, high and low temperature and will withstand all the outdoor elements. Waterproof electrical connectors are far superior to standard waterproof wire nuts. Outdoor waterproof wire connectors are widely used in various indoor/outdoor LED lighting such as tunnel lights, billboard lighting, road landscape lighting, underwater lights, streetlights, led flood light, outdoor display, garden electrical lights external. It is a safe DIY tool and can be used to repair and extend power cables. Our waterproof wire connectors are safe for LED pool lights. The heavy duty waterproof electrical connectors are IP68 and are safe to be submerged in water.