Technical performance
| Wet power frequency pressure test (outdoor) | 54kV,5min |
| Dry state power frequency pressure test (indoor) | 54kV,5min |
| Impact pressure test | ±125kV/10times |
| DC withstand voltage test | 96kV/30min |
| Power frequency withstand voltage test | 48kV 4h |
| Partial discharge test | ≤10Pc(1.73U₀) |
20kV single core cold shrink cable accessories product name and specification model
| Type of attachment | Specification of cable(mm²) | Specification and model | |
|
Single core cable |
Single-core indoor terminal | 35-70 | NSY-20/1.1 |
| 95-150 | NSY-20/1.2 | ||
| 185-400 | NSY-20/1.3 | ||
| 500-630 | NSY-20/1.4 | ||
| Single-core outdoor terminal | 35-70 | WSY-20/1.1 | |
| 95-150 | WSY-20/1.2 | ||
| 185-400 | WSY-20/1.3 | ||
| 500-630 | WSY-20/1.4 | ||
| Single core intermediate connector | 35-70 | JSY-20/1.1 | |
| 95-150 | JSY-20/1.2 | ||
| 185-400 | JSY-20/1.3 | ||
| 500-630 | JSY-20/1.4 | ||
|
Three-core cable |
Three-core indoor terminal | 35-70 | NSY-20/3.1 |
| 95-150 | NSY-20/3.2 | ||
| 185-400 | NSY-20/3.3 | ||
| 500-630 | NSY-20/3.4 | ||
| Three-core outdoor terminal | 35-70 | WSY-20/3.1 | |
| 95-150 | WSY-20/3.2 | ||
| 185-400 | WSY-20/3.3 | ||
| 500-630 | WSY-20/3.4 | ||
| Three-core middle connector | 35-70 | JSY-20/3.1 | |
| 95-150 | JSY-20/3.2 | ||
| 185-400 | JSY-20/3.3 | ||
| 500-630 | JSY-20/3.4 |