The Bridgeport 1063-RT Mighty-Seal is a pair of galvanized steel reducing washers designed to convert a 1" knockout to a 3/4" knockout in electrical enclosures. These washers are essential for maintaining a raintight seal in wet locations, ensuring compliance with NEMA 3R ratings.
Key Features
Material: Galvanized steel with an EPDM rubber coating
Size: Converts 1" knockout to 3/4" knockout
Finish: Ball burnished/mirror smooth
Coating: One washer is coated with EPDM rubber for exterior use; the other is uncoated for interior use
Application: Suitable for use with wet location connectors and threaded rigid/IMC conduit with standard locknuts
Standards: UL Listed, cULus certified
NEMA Rating: Maintains NEMA 3R rating on listed enclosures
Sunlight Resistance: Coated washer is resistant to sunlight exposure
Benefits
Raintight Seal: Ensures a secure seal in wet locations, preventing moisture ingress
Durability: Galvanized steel construction provides corrosion resistance for long-term use
Easy Installation: Designed for quick and secure installation with standard locknuts
Compliance: Meets industry standards for safety and performance
Applications
Electrical enclosures in wet locations
Outdoor electrical installations requiring a raintight seal
Retrofit applications where knockout sizes need to be reduced
