Ratings & Reviews for Sigma ProConnex 2-in Zinc-plated steel Knockout Seal Conduit Fittings
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise these plugs for their snug fit into knockout holes, requiring no tools and effectively sealing out pests, dust, and moisture. The snap-in design is consistently described as easy to install and removable for future upgrades. Reviewers highlight the sturdy, zinc-plated steel construction as durable and professional-grade, making them a reliable, affordable solution for closing unused electrical box openings. A few note sizing discrepancies between labeled and actual dimensions, and some mention difficulty installing if holes are slightly misaligned. Overall, most customers consider these an essential, go-to product for both professionals and DIYers.
Customer review summary generated by AI, including incentivized reviews.Good fit in metal junction box
Would RecommendI needed this part to seal up a knockout hole. It fit perfectly for a clean installation.
From 3_SLASH_4-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Perfect fit for metal junction box.
Would RecommendExactly the part I needed and fit perfectly.
From 1_SLASH_2-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Worked as Advertised.
Would RecommendWorked as advertised and true to size.
From 3_SLASH_4-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Works good
Would RecommendEasy to use
From 3_SLASH_4-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Perfect fit
Would RecommendThis fit perfectly in the open hole of the electrical box and sealed it nicely.
From 1_SLASH_2-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Good material for the money. Fit very well.
Would RecommendFit perfect. Good sturdy material.
Verified Purchaser
Tap plug
Would RecommendSize to cover removed light socket.
From 1_SLASH_2-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
These are perfect for closing open knockout holes
Would RecommendDid what I needed
From 1_SLASH_2-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Friendly service
Good product I love that it was stocked
From 1_SLASH_2-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Great for safely capping those unwanted holes
Would Not RecommendThese are great for panels or boxes either knock outs that need to be blocked and filled.
From 3_SLASH_4-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Mislabeled sizes in bags, check with a tape measur
Would Recommendsizes are incorrect, not sure what happened
From 3_SLASH_4-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Thank you for your feedback. We take pride in providing quality products. We are sorry to hear that you experienced an issue with incorrect sizing. P...