Plated steel reducing washers are used in pairs to reduce the size of knockout holes in a box or enclosure from 4 to 3 inch. Reducing washers are used with rigid and IMC conduit. Reducing washers are UL listed and CSA certified.
Conduit Reducing Washer
Used with Rigid or IMC Conduit
Used in Pairs in Reduce the Size of a Knockout in a Box or an Enclosure