Knockout Plugs & Seals | CapitalTristate

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Shop at CapitalTristate today! We carry a large collection of electrical fittings and various accessories including knockout or KO plugs and seals. These electrical supplies include reducing bushings, KO seals, KO plugs, reducing washers, closure plugs, grounding bushings, threaded fittings, and more.
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Showing 15 of 299 results
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