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The Bridgeport 9891 is a plastic knockout plug designed to seal unused knockout holes in electrical boxes and enclosures. This product helps maintain safety by preventing debris from entering the box and protects against accidental contact with live wires.
The knockout plug is a simple yet effective solution for ensuring safety in electrical installations.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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