One person found this helpful. A step above standard washdown hole plugs, these plugs are best suited for environments subject to high-pressure cleaning and corrosive liquids. Read more. -The Home Depot- I would advise you visit or contact your local Home Depot store for pricing and availability. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. Looking for GRAINGER APPROVED Knockout Plug, Conduit Size 1" (3LJ96)? Grainger's got your back. Can't find your size? Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & … Reviewed in the United States on June 3, 2020. Morris 22394 Morris Products 22394 Plastic Knockout Plug, Plastic, 1" Snap In Size (Pack of 10… $7.79 ($0.78 / 1 Plug) In Stock. Use this Knockout Hole Plugs to plug unused knockout holes in box or enclosure; Trade Size indicated in Chart Indicates Conduit Size For actual OD dimension see Mounting Hole Diameter in chart; Dimension Measurements = Inches (21721 - 21722)Order Qty of 100 = 1 Bag of 100 (21723)Order Qty of 50 = … Looking for RACO Knockout Plug, Installation Accessories, Steel, Silver (52AW72)? Amazon Customer. 1.0 out of 5 stars FALSE DESCRIPTION!!! If you want trade size 1/2" plug, go with a 7/8". Hi, Syeb! Knock-Out Seals (4-Pack). (3) Dimensions for trade sizes of 1/4 through 1-1/4 are from Table 20.2 of ANSI/UL 514-1978. Features Designed to seal unused push­button holes, conduit openings and knock­out holes against dust, oil and water. Price $0.64. Stop Plugs and Knockout Seals Knockout seals for NPT, ISO Metric and PG threaded holes. Arlington NM94-25 Black Button Push-In NM Cable Connector, 3/8 Trade Size, Fits 1/2-Inch Knock Outs, Black, 25-Pack 4.5 out … Helpful. Size: … Per Halex, the smallest one they have is the 1/2" Knock-Out. I hope this helps. Report abuse. Standard Pushbutton size is 30.5mm; Mini Pushbutton size is 22.5mm Steel Hole Plug Available in 12 sizes… Non-Metallic Hit Lock Connectors (100-Pack) 75105B, nylon connect non-metallic sheathed cable to a steel outlet box or other metal enclosure in an economical way at The Home Depot Unfortunately we are not able to advise when local Home Depot stores are re-stocked of specific items. A gasket provides a tight seal in unused knockouts and … Thank you for your inquiry with The Home Depot regarding the Halex 1/2 in. Stop plugs and knockout seals are a great way to seal unwanted holes in electrical boxes and panels. Hi Mickey, this 1 in. Ships from and sold by … Let us know and we can usually have them ready to ship in a few days! Both rigid conduit and intermediate metallic conduit are threaded and accept couplings, nuts, and bushings et cetera directly. Sizes 1/ 2 " thru 6" per proposed revision to NEMA Engineering Bulletin No. Thank you for shopping with us! Price $0.04. Grainger's got your back. 71, Aug. 1976. Acquire the Halex 3/8 in. Knockout Seals (2-Pack), is a item sold in store. They are rated NEMA 4X and 13 for protection from dirt, washdowns, corrosion, and oil/coolant spraying. We appreciate your business and look forward to serving you in the future. In 12 sizes… Hi, Syeb seal in unused knockouts and, go a! Contact your local Home Depot regarding the Halex 3/8 in have is the 1/2 Plug! Standard Pushbutton size is 22.5mm Steel Hole Plug Available in 12 sizes…,! For the ones who get it done along with 24/7 customer service, free technical support & more from... A few days and 13 for protection from dirt, washdowns, corrosion, and oil/coolant spraying,! A item sold in store standard Pushbutton size is 22.5mm Steel Hole Plug Available in 12 sizes… Hi,!! 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