ANSI Class 52-1 Serial No. SI 2007/N/A/I/001
| SYMBOL | SPECIFICATION VALUE |
| A | 165 Max. |
| B | 139.5 or – 3 |
| C | 22 or -1.5 |
| D | 12.5 2 – 0 |
| E | 17.5 or – 1 |
| F | 17.5 Min. |
| G | 17.5 2 – 0 |
| H | 17.5 Min. |
| I | 16 or – 0.5 |
| Leakage Distance | 178 Min. |
Insulator-52-1
ANSI Class 52-1 Serial No. SI 2007/N/A/I/001
| SYMBOL | SPECIFICATION VALUE |
| A | 165 Max. |
| B | 139.5 or – 3 |
| C | 22 or -1.5 |
| D | 12.5 2 – 0 |
| E | 17.5 or – 1 |
| F | 17.5 Min. |
| G | 17.5 2 – 0 |
| H | 17.5 Min. |
| I | 16 or – 0.5 |
| Leakage Distance | 178 Min. |
