Across
- 2. Wire coded in green and yellow stripes
- 4. Potential that remains the same.
- 6. Colour of live wire.
- 10. Type of potential used in mains electricity.
- 11. Wire that has a potential of 230V between it and earth.
- 12. Number of wires normally in an appliance’s cable.
Down
- 1. Has occurred when the earth wire carries a current.
- 3. Unit of frequency.
- 5. Must not occur between live and earth wire.
- 7. Wire that completes the appliance’s circuit.
- 8. Use of the earth wire.
- 9. Colour of the neutral wire.