The NESCO KO53 Knockout Seal is built for professional electricians and contractors who need a fast, code-compliant way to close unused 1-1/4" knockouts in electrical enclosures, panels, and junction boxes. Rated for dry locations, this metal seal installs in seconds — keeping your enclosures clean, protected, and inspection-ready on any commercial or residential job site.

Specifications

Trade Size 1-1/4 in.
Part Number KO53
Material Metal
Location Rating Dry Location
Product Type Knockout Closure
Brand NESCO