Hipot Voltage Breakdown vs. Altitude
(These values disregard any corona effect)
| Altitude (Feet) |
Pressure (Inches Hg) |
Altitude (Meters) |
Pressure (mm Hg) |
Breakdown (% of Sea Level) |
| 0 | 0 | 100.0 | ||
| 10,000 | 20.58 | 3,048 | 522.73 | 78.5 |
| 20,000 | 13.75 | 6,096 | 349.25 | 61.1 |
| 30,000 | 8.88 | 9,144 | 225.55 | 47.2 |
| 40,000 | 5.54 | 12,192 | 140.72 | 37.6 |
| 50,000 | 3.44 | 15,240 | 87.38 | 29.2 |
| 60,000 | 2.13 | 18,288 | 54.10 | 23.6 |
| 70,000 | 1.32 | 21,336 | 33.53 | 18.7 |
| 80,000 | 0.82 | 24,384 | 20.81 | 15.7 |
| 90,000 | 0.51 | 27,432 | 12.95 | 12.6 |
| 100,000 | 0.30 | 30,480 | 7.62 | 10.1 |