Energy & environment · 12/08/2025Updated: 10/16/2026 · 1 min read
NRC Issues New Regulatory Guide for Fiber-Optic Cables in Nuclear Facilities
Summary
The U.S. Nuclear Regulatory Commission (NRC) has released a new Regulatory Guide (RG 1.257) outlining an approach for qualifying fiber-optic cables, connections, and optical fiber splices in safety systems for nuclear power generating stations and production facilities.
Original source language: Federal Register — Nuclear Regulatory CommissionOpen original release →