First determine the size of the missing knockout hole and subtract 3 8 to figure out what size knockout plug you ll need.
Electrical box knockout cover.
Easy online ordering for the ones who get it done along with 24 7 customer service free technical support more.
Find electrical box knockout plugs at lowe s today.
Threaded submersible hole plugs close off unused threaded holes to prevent water from entering your enclosures and outlet boxes.
Electrical boxes conduits fittings.
Looking for raco knockout plug installation accessories steel silver 52aw72.
They are convenient and easy to use.
Plugs are rated nema 4x and 6p as well as ip68 for protection from washdowns corrosion and water submersion.
Prevent water from entering unused knockouts and holes in enclosures and outlet boxes.
Product overview knock out seals are designed to cover exposed knock out holes in steel boxes and other metal enclosures.
For example if you have a 7 8 hole you ll need a 1 2 knockout plug.
Grainger s got your back.
Bud industries jb 3957 ko steel nema 1 sheet metal junction box with knockout and lift off screw cover 8 width x 8 height x 4 depth gray finish.