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World Electric Supply is where you should start shopping when you need KO or knockout plugs, seals, and reducers. These electrical supplies are crucial when you need to secure and connect conduit systems. These electrical fittings and accessories include washers, hole seals, bushing, gaskets, and numerous others.
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Bridgeport 1691 1/2 Inch Steel Knockout Plug

MFG: Bridgeport
MFG Part #: 1691
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