Use the Bridgeport 9892 3/4-Inch Plastic Knockout Plug to cap unused knockout holes in a box or enclosure. The 1-7/16-inch diameter plain plastic plug is low-cost, strong and lightweight providing excellent abrasion, wear-resistance and reducing friction. Solidly built to meet construction and general industry OSHA-recognized NRTL-listed electrical standards and meets the stringent bonding and grounding requirements of 514B cULus. Bridgeport builds every product with the same goal in mind: guaranteeing a fast, professional-grade, trouble-free installation. Our wide selection of products is manufactured for innovation, consistency and quality — providing you with connectors, couplings or transition fittings that are safety listed, ensuring code compliance to meet your needs, enabling you to do your best work at a lower total cost. When you need a solution you can depend on, be sure to look for Bridgeport Orange.