The NESCO Model 54C6 is a 4" round steel cover plate designed for professional electricians and contractors who need a reliable, code-compliant solution for completing junction and outlet box installations. Featuring a pre-punched 1/2" knockout, this cover simplifies conduit entry on residential and light commercial job sites — saving time during rough-in and finish work. Built from durable steel, it provides a solid, flush finish over standard 4" round boxes, making it a go-to component for ceiling fixture rough-ins, junction closures, and conduit transitions. Keep a supply on your truck or in your site kit — it's the kind of fitting that earns its place on every electrical job.

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