| to switch 12v | 6 | purpose |
| to protect against reverse polarity | 5 | purpose |
| circuit → use → relay | 18 |
| circuit → include → relay | 9 |
| circuit → have → relay | 5 |
| circuit → contain → relay | 5 |
| circuit → consist of → relay | 3 |
| negative | neutral | positive |
| 0.105 | 0.794 | 0.102 |
| Raw frequency | 40 |
| Normalized frequency | 0.298 |
| Modifier score | 0.950 |
| Perplexity | 278.619 |