The NESCO RW1510 Reducing Washer is a reliable, job-site-ready solution for professional electricians and contractors who need to adapt a 1½" knockout opening to accept a 1" conduit fitting. Whether you're roughing in a panel, pulling wire through a junction box, or tidying up an existing installation, this reducing washer delivers a secure, code-compliant fit with minimal effort. Its durable steel construction holds up in demanding dry-location environments, making it a dependable choice for residential, commercial, and light industrial work.

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