Across
- 1. cheapest protective device.
- 4. This cannot be seen Physically.
- 6. ____ Extinguisher is not used in electrical fires.
- 8. Protection relay in transformer.
Down
- 2. Equipment type used in Gas Zone.
- 3. Enemy of Electricity.
- 5. This is important for equipment safety.
- 7. Electricity means "flow of ___" .