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