electricity crossword

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Across
  1. 2. a fuse used a cigarette lighter.
  2. 3. the name of the wire that carries AC electricity into the house.
  3. 5. the degree to which a substance or device opposes the passage of an electric current.
  4. 9. the neutral wires are connected to this and contains the electrical meters.
  5. 12. connected to a metal water pipe or stake outside or under your house.
  6. 13. houses are usually wired using what circuit?
  7. 15. an appliance that does not need an earth and has a two-pin plug.
  8. 17. the longest one of the three pin plugs.
  9. 18. the wire that completes the electric circuit from the house back to the power station.
  10. 19. the meter measures this.
  11. 20. also known as a power point.
Down
  1. 1. a fuse used for a heater.
  2. 2. a fuse used for lights.
  3. 4. automatically turns of the electricity if too much current is flowing through.
  4. 6. caused by two bare wires touching.
  5. 7. the short term for alternating current.
  6. 8. an electrical circuit of low resistance than a normal circuit.
  7. 10. a very powerful conductor.
  8. 11. a safety device containing a piece of wire that melts if too great a current passes through it.
  9. 14. what are home wires covered in?
  10. 15. the short term for direct current.
  11. 16. a sudden discharge of electricity through a part of the body.