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IEEE Std. 693: IEEE Recommended Practices for Seismic Design of Substations

IEC 60068‐3‐3: Environmental Testing – Part 3: Guidance. Seismic Test Methods for Equipment

IEC 62271‐207: High‐voltage switchgear and controlgear – Part 207: Seismic qualification for gas‐insulated switchgear assemblies for rated voltages above 52 kV