$178
- For covering exposed knock-out holes in metal enclosures
- Corrosion-resistant
- Convenient and easy to use
- View More Details
Product Details
Specifications
Questions & Answers
8Questions
Q:Is there a way to make these waterproof for an outside box?
by|Jun 2, 2023
0 Answer
Q:Is there some product like a 1/2" knockout plug except with a mesh screen that would allow air or water leakage into a cabinet to be vented or drained?
by|Mar 20, 2023
1 Answer
Q:Can I use these plugs on an outdoor plastic box? If not then what should I use?
by|Feb 12, 2023
1 Answer
Q:Silly question, but for a junction box (for example), do you install these from the inside out, or outside in? I was worried with outside in, the tabs are a bit sharp and could knick a wire in the box...although the tabs could of course be flattened.
by|Feb 11, 2022
1 Answer
Showing 1-4 of 8
Mar 15, 2023
Problem solved
If you like me has knocked out the wrong "knock out" on an electrical box then you know there is an open space now for insects, tools, who know what to get into. The simple and safe way to fix this problem is with a Helx Knock-Out seal. Position then just push and the seal will snap in place, problem solved. Pack of 4 and price is great.
by
Feb 17, 2019
I bought 4 packs of these in store to seal up a bunch of junction boxes in my basement and garage...
I bought 4 packs of these in store to seal up a bunch of junction boxes in my basement and garage that the previous home owners never bothered to seal off. They are super easy to install. You pretty much just push them into the hole until they snap into place. These should help keep grass, dust, and spiders out of my garage junction boxes and dust and spiders out of the ones in my basement.
by
May 26, 2018
Had to move a 12/2 wire from the side to the top of one of the older small gang boxes they put in...
Had to move a 12/2 wire from the side to the top of one of the older small gang boxes they put in homes years ago to make room for a gfci outlet in my storage room. This worked but I had to bend "in" 3 of the teeth due to the gfci was so close to the side of my metal gang box. I also slightly bent "out" the 2 teeth that were surrounding the 3 that I bent in. I was then able to snap it in with a slight tap of a hammer. In hindsight, I "possibly" could have snipped the 3 teeth with some sheet metal cutters to make them shorter. All in all, the seal seem secure. These will fit the standard 15/16" empty holes (actual measured hole size) that gang (electrical) boxes have.
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Jun 4, 2023
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Jun 1, 2023
Advertised @$2.50(prox) checked out at4.98!,, Lowe’s @$1.98 if it wasn’t...
Advertised @$2.50(prox) checked out at4.98!,, Lowe’s @$1.98 if it wasn’t such a hassle to drive 10 lies back to the store I’d return it
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May 26, 2023
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May 10, 2023
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May 3, 2023
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Apr 19, 2023
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Mar 29, 2023
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