| IEEE 386 – Industry Minimum Requirements | |
|---|---|
| Voltage Ratings | |
| Voltage Class, Phase-to-Phase | 15kV |
| Maximum Operating Voltage – (phase-to-ground) | 8.3kV |
| Corona Voltage Level – (partial discharge extinction voltage) | 11kV |
| AC Withstand – (1 minute) | 34kV |
| Impulse-Withstand Voltage – (BIL) | 95kV |