Across
- 2. colour of neutral wire
- 6. a resettable fuse
- 7. current in mains electricity
- 10. colour of live wire
- 11. coating on all electric wires
Down
- 1. wire that returns to a local substation
- 3. plastic coat provides this for wires
- 4. colour of earth wire
- 5. wire that is connected to the metal case of an appliance
- 8. safety components attached to the live wire
- 9. current in a battery
