| against the ballast | 4 | other |
| against these problems | 4 | other |
| from reverse input voltage | 4 | other |
| circuit → be → protected | 45 |
| circuit → provide → protection | 3 |
| negative | neutral | positive |
| 0.120 | 0.718 | 0.161 |
| Raw frequency | 48 |
| Normalized frequency | 0.319 |
| Modifier score | 0.975 |
| Perplexity | 458.260 |