ELECTRICAL PLUMBING QUIZ

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Across
  1. 3. What is the unit called that has a known voltage source
  2. 5. devices capable of making, carrying and interuppting currents
  3. 6. where plumbers cannot change electrical components
  4. 8. needed to earth all pipes
  5. 10. how is Alternating current measured
  6. 12. Cable that needs to be the longest in a plug
  7. 14. What is the test known as that leaks current to earth, disconnecting supply
  8. 15. the initials of the combined RCD and circuit breaker
  9. 16. Circuit not to be used for lights
  10. 17. outer protective layer on a cable
  11. 18. Initials of device that indicates an earth fault
  12. 20. measure of power
  13. 22. what is the law known as for the relationship between voltage, resistance and current
Down
  1. 1. used to step down voltage
  2. 2. used to cover / protect cables in walls
  3. 4. measure of resistance of a 1m3 block of material at 20C
  4. 7. something that breaks the circuit
  5. 9. what is a lighting circuit called
  6. 10. fault between line and neutral
  7. 11. the number describing protons and electrons
  8. 13. type of electrical supply into a property
  9. 19. what colour is a line conductor
  10. 21. where earth and neutral are combined in the supply