| Clue | Source | Date |
|---|---|---|
| Device which converts an alternating current into a direct one (9) | ||
| Terrific new energy charges electrical device (9) | ||
| One putting right European in terrific mess | The Guardian Cryptic | 19 Jun 2023 |
| Electrical device runs: fierce with it, possibly | The Times Cryptic | 28 Nov 2022 |
| In Perth headmaster has no alternative: if that is resistance, one delivers correction | The Telegraph Toughie | 30 May 2017 |
| Device for converting alternating current into direct current |