| AG A3.01 | Strategic Planning |
| AG A3.04 | Tutorials |
| WG A3.06 | Reliability of High Voltage Equipment |
| WG A3.15 | Non-Conventional Instrument Transformers (NCIT's) |
| WG A3.17 | Evaluation of Stresses of Surge Arresters and Appropriate Test Procedures |
| WG A3.21 | Aspects for the application of non-ceramic insulators to HV and MV apparatus |
| WG A3.22 | Technical requirements for substation equipment exceeding 800kV |
| WG A3.23 | Application and feasibility of fault current limiters in power systems |
| WG A3.24 | Tools for Simulating Internal Arc and Current Withstand Testing |
| WG A3.25 | MO varistors and surge arresters for emerging system conditions |
| WG A3.26 | Influence of shunt capacitor banks on circuit breaker fault interruption duties |
| WG A3.27 | The impact of the application of vacuum switchgear at transmission voltages |