- Meeting Minutes of Past – WG 4.1 – Class 1E Power Systems (IEEE Std 308)
- Meeting Minutes of Past – WG 4.2 – Standby Power Supply (IEEE Std 387)
- Meeting Minutes of Past – WG 4.3 – Electric Penetration Assemblies (IEEE Std 317)
- Meeting Minutes of Past – WG 4.4 – Motor Operated Valve (MOV) Motors (IEEE Std 1290)
- Meeting Minutes of Past – WG 4.5 – Cable Systems (IEEE Std 690)
- Meeting Minutes of Past – WG 4.6 – Preferred Power Supply (IEEE Stds 765/1792)
- Meeting Minutes of Past – WG 4.7 – Protection of Class 1E Power Systems (IEEE Std 741)
- Meeting Minutes of Past – WG 4.8 – Protection of Electric Equipment from Water Hazards (IEEE Std 833)
- Meeting Minutes of Past – WG 4.9 – Raceway Systems (IEEE Std 628)
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