| Clue | Source | Date |
|---|---|---|
| When the strain may cause the sparks to fly? (4,7) | ||
| Strained atmosphere while flying (4,7) | ||
| *Like power lines | LA Times Daily | 14 Mar 2019 |
| *Like power lines | The Washington Post | 14 Mar 2019 |
| *Like power lines | ||
| Type of wire carrying extreme voltage |