The following links provide access to a brief description to the corresponding individual Working Group. There the private area of the WG can also be accessed by members of the WG with the appropriate password.
| 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 A3.23 | Application and feasibility of fault current limiters in power systems |
| WG A3.24 | Tools for Simulating Internal Arcs |
| 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 |
| WG A3.28 | Switching phenomena and testing requirements for UHV & EHV equipment |
| WG A3.29 | Deterioration and ageing of substation equipment |
| WG A3.30 | Overstressing of substation equipment |
| WG A3.31 | Accuracy, Calibration & Interfacing of Instrument Transformers with Digital Outputs |