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IEEE

IEEE C37.81-2026

IEEE Approved Draft Guide for Seismic Qualification of Class 1E Metal-Enclosed Power Switchgear Assemblies

Latest Edition2026
Country ScopeInternational / North America
Categories03 - Power Generation and Nuclear Plant Electrical Systems / IEEE Nuclear Power Electrical Equipment / Class 1E Switchgear and Protective Relays; 10 - Switchgear, Protection, and Relaying / IEEE Nuclear Power Electrical Equipment / Class 1E Switchgear and Protective Relays
Record Typeguide
ApplicabilityConsensus IEEE power and energy standard used where specified by law, code, authority having jurisdiction, utility requirement, project specification, or contract

Applicability Summary

IEEE Nuclear Power Electrical Equipment metadata record for Class 1E switchgear, protective relays, nuclear safety electrical equipment, and related qualification requirements; this record points to the official IEEE SA page for IEEE C37.81-2026.

Notes

IEEE SA page status: Active Standard. Published: 2026-07-16. IEEE record number: 11332.