Nuclear Regulatory Commission January 18, 2011 – Federal Register Recent Federal Regulation Documents

The U.S. Nuclear Regulatory Commission (NRC or the Commission) is issuing this Regulatory Issue Summary (RIS) to clarify the NRC staff's technical position on existing regulatory requirements and voltage studies necessary for Degraded Voltage Relay (second level undervoltage protection) setting bases and Transmission Network/ Offsite/Onsite station electric power system design bases. This RIS does not transmit any new requirements or staff positions. No specific action or written response is required.