A circular groove quickly centers plug in unused holes and knockouts.

Sized for knockouts and conduit openings.

Sized for knockouts and conduit openings.

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

Mount components to your enclosure without worrying about leaks—these kits seal out water from washdowns, rain, and snow when used with enclosures rated NEMA 4X.

Mount enclosures to the floor above hazards such as water.

Made of steel, these are our most durable plugs for panels. Tapered prongs snap into the hole 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.

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.

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.