Seal unused holes and knockouts in enclosures and outlet boxes.

Sized for knockouts and conduit openings.

Sized for knockouts and conduit openings.

Sized for 22 mm and 30 mm push-button holes.

Close off unused threaded holes.

Keep metal snap-in plugs of various sizes on hand to solve whatever problems arise. Made of steel, these plugs are our most durable plugs for panels. Their tapered prongs snap into holes to securely hold them in place.

Vents in the top allow air circulation and permit heat and fumes to escape. These plugs have tapered prongs that snap into the hole to securely hold them in place.

These plugs are see-through to provide visibility and light transmission. They have wings that expand against the sides of the hole to lock them in place.

The wings on these plugs expand against the sides of a hole to form a liquid-tight seal. Pierce the plugs with round wire, cable, or tubing and they function as a grommet to create insulated holes.