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DOTTIE D120S knockout seal carbon steel box

L.H. DOTTIE

L.H. DOTTIE D120S Knockout Seal Carbon Steel Box

SKU CH-1SDZ-4V2Y4

Carbon steel knockout seal fits 120 mm conduit openings to maintain enclosure integrity

  • Product typeElectrical Boxes & Covers
  • Carbon steel construction resists corrosion in damp environments
  • Knockout seal closes unused openings to maintain enclosure rating
  • DOTTIE brand trusted by electricians for reliable fit
  • Box packaging keeps seals organised on the job site
  • Designed for standard conduit installations requiring secure closure

Knockout seal for electrical boxes

The L.H. DOTTIE D120S is a carbon steel knockout seal designed to close unused openings in electrical enclosures. It provides a secure barrier against dust, moisture and debris in conduit installations.

Installs in standard knockout holes

The seal fits into a prepared knockout opening to maintain the enclosure rating. Carbon steel construction resists mechanical stress and corrosion in indoor or protected outdoor locations.

Suited for electricians sealing conduit entries

This component serves installers who need to blank off a single knockout during rough-in or retrofit work. It is not intended for applications requiring a cable gland, a threaded hub or a larger multi-hole cover plate.

How it compares

Measured against everything we stock in Electrical Conduit & Fittings, at today’s prices. Recalculated every night.

Price $494.99
Pricier than about 97% of the 1,290 comparable items (median $28.99).

Specifications

Product
Brand nameDOTTIE
Product typeElectrical Boxes & Covers

Questions about this item

What size conduit does the 120 knockout seal fit?

The 120 knockout seal is designed for 1-1/4 inch conduit openings in carbon steel electrical boxes.

How does carbon steel perform in warm electrical enclosures?

Carbon steel construction handles typical enclosure temperatures without deformation while maintaining a tight seal around conduit entries.

Which electrical box models accept this DOTTIE knockout seal?

The D120S seal fits standard 1-1/4 inch knockout holes in compatible carbon steel or metallic electrical boxes and covers.

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