Use the Bridgeport 1089-8 3-1/2" to 3" Galvanized Steel Reducing Washer in pairs to reduce the size of knockout holes in a box or enclosure. The washer has raised flanges that allow for positive seating in the knockout. Made from galvanized steel, the washer is corrosion resistant. This reducing washer meets Nema Standard: FB-1 and UL Standard: UL-514B and can be installed with connectors or rigid conduit.
Use the Bridgeport 1089-8 3-1/2" to 3" Galvanized Steel Reducing Washer in pairs to reduce the size of knockout holes in a box or enclosure. The washer has raised flanges that allow for positive seating in the knockout. Made from galvanized steel, the washer is corrosion resistant. This reducing washer meets Nema Standard: FB-1 and UL Standard: UL-514B and can be installed with connectors or rigid conduit.