I Weatherproof Large Aqua Blue/Blue Copper to Copper Wire Connector, 15-Pack is specially designed for environments where exposure to water is common, such as outdoor splices, lighting fixtures, pumps, and enclosures. This connector is UL listed to ensure safety and reliability in damp locations. It features a silicone-based pre-filled custom sealant that effectively blocks moisture and air, ing dependable protection. Unlike traditional methods that require electrical tape or heat shrink, this connector comes ready to use without the need for on-site assembly or multi-piece kits. Its design includes added ribs for easier twist-on application and a hexagonal shape compatible with standard nut drivers. The color-coded caps make identification quick and simple, making it an excellent choice for secure and weatherproof electrical connections. Model Number: 30-1163