Knockout Bushings, Plugs, & Seals

Knockout Bushings, Plugs, & Seals are designed to protect wires in threaded rigid or IMC conduits. They are made of heat-tolerant thermoplastic and they can be used indoors or outdoors. They are UL and CSA listed.

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Knockout Insulator Bushings
Knockout Insulator Bushings are designed to protect wires in threaded rigid or IMC conduits. They are made of heat-tolerant thermoplastic and they can be used indoors or outdoors. They are UL and CSA listed.

Closure (Close-Up) Plug
Closure (Close-Up) Plug are used to seal threaded NPT conduit entries in hazardous or non-hazardous location enclosures. These plugs and reducers provide a variety of designs for closing up unused conduit openings or changing the conduit size. They are used with threaded NPT conduit entries in hazardous or non-hazardous location enclosures.

Conduit Modular Mechanical Seals
Conduit Modular Mechanical Seals are made from synthetic rubber with heavy-duty UV and ozone resistant plastic pressure plates or all metal plates. They help to absorb vibrations, shocks, and sound waves and act as a sound dampener.

Oil Tight (Quick Wingnut) Seals
Oil Tight (Quick Wingnut) Seals are made of carbon steel or added durability. It is designed for sealing extra conduit openings from dirt, dust, oil and water. Hole seal comes in polyester powder coated finish includes quick wing nut and oil resistant gasket.

Snap-In Plugs
Snap-In Plugs are tough, flexible “finishing” plugs that are used extensively in all sheet metal work to seal access holes. The insertion is a snap. There is an internal bead and they hold on tight when the handling gets tough. Auto rust proofers, on refrigeration units, water heaters, steel doors, paint cans, lawn mowers and even piggy banks use them.

Steel (3 Piece) Seals
Steel (3 Piece) Seals feature a 3-piece knockout seal installation. They are made of steel and have a zinc plated finish. They can be used to seal up holes punched in panels or knockouts from outlet boxes.