Among 18 choices, these Electrical Box Knockout Plugs have the highest satisfaction ratings with Lowe’s customers. While these might be the highest rated, what you choose should fit your needs, so consider features such as Brand, Package …

Feb 25, 2010 · KEEP WIRING SAFER: Our Hubbell TayMac Weatherproof Nonmetallic Closure Plugs help keep moisture out of your weatherproof electrical boxes by closing unused holes in outdoor outlet covers and extension rings. STURDY SEALS: Get durable protection for your junction boxes wherever you need them.

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Commercial Electric threaded closure plugs are used to seal off unused outlets. Plugs are for use with Weatherproof boxes. They are also for use with extension rings. Is it ok to use metal closure plugs on a PVC electrical box? I found PVC plugs at another site but it would cost me $14 to get four 1/2 in plugs.

Provide an essential and ultimate addition to your electrical application with the help of this Commercial Electric Gray Weatherproof Closure Plugs.

Sigma's weatherproof closure plugs help keep moisture from the electrical wiring by closing unused holes in weatherproof boxes, extension rings or covers.

Jan 8, 2007 · About this item Metallic closure plugs, die cast zinc construction 3/4 in. NPT thread UL Listed For use with BELL weatherproof boxes, extensions, cluster covers and round splice boxes to seal off unused outlets

LEONLITE 12 Pack One Gang New Work Electrical Outlet Box, Ultra-deep 22.5 Cubic Inch Device Box, PVC Electrical Junction Box for Switch, GFCI, Step Light, ETL Listed, Gray

Insert into holes in pipe, containers, panels, and parts to keep out debris. Choose from our selection of junction box plugs, including hole plugs for enclosures, panel plugs, and more. Same and Next Day Delivery.

We carry a complete selection of knockout seals to fit any size electrical enclosure box. Whether your project requires weatherproof knockout seals or interior-rated plugs, we have a product that fits the bill.