Technical Description:
Square Box Extension Ring Type; Pre-Galvanized Welded Steel Material; 4 Inch; 4 Inch; 2-1/8 Inch; UL 514A Approval; 25 Per Carton Standard Package; 30.3 Cu Inch Capacity; (4) 1 Inch Conduit Sides, (4) 1 Inch Conduit Ends Knockout Size; 8 Knockout(S)

UPC: 78599116850

Part Number: 53171-1

Manufacturer: STEELCITY