Waterproof your outdoor splices with DryConn Large Aqua Blue Waterproof Wire Connectors. This quality one-step connector is filled with a dielectric silicone sealant that surrounds splices, making it water and corrosion resistant. This is an ideal choice for outdoor electrical connections exposed to condensation, water vapors or dust. It meets the conditions set by the most recent NEC Code Book, requiring a UL 486G listed connector to be used for all splices in wet and damp locations.