G063 2

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Across
  1. 2. Type of overload current that is present in an electrically sound circuit.
  2. 5. A ________ magnetic circuit breaker protects against both overload and fault currents.
  3. 8. Type of contact that describes someone receiving an electric shock whilst touching a frame of a transformer that has become live due to an insulation fault.
  4. 9. The thermal section of a circuit breaker is _______ acting than the magnetic section.
  5. 11. The HRC fuse element is surrounded by silica and encased in a _______ barrel.
  6. 13. A lightning _______ can protect against overvoltage.
  7. 15. The maximum fault current occurs at the terminals of the __________.
  8. 16. The magnetic section of a circuit breaker consists of a _________.
  9. 17. Current that is greater than the design current.
  10. 19. The _______ section of a circuit breaker protects against fault or short circuit currents.
  11. 20. The ______ value is mainly determined by the length and csa of the active and earth conductors.
  12. 23. Table 8. _____ can be used to determine if the circuit EFLZ complies, when supply is not available.
  13. 24. Table 8.1 requires the ________ to be available to be able to see if circuit EFLZ complies.
  14. 26. If the combination of cable size and circuit breaker size cannot be found in table B1, you must use the L ____ formula to determine the maximum length a circuit can be run to comply with EFLZ requirements.
  15. 27. The magnetic section of a circuit is ______ acting.
  16. 30. The ______ of circuit connections can effect the value of the EFLZ.
Down
  1. 1. Another name for a surge diverter (acronym).
  2. 3. One cause of overvoltage.
  3. 4. Current type that is due to a breakdown in insulation.
  4. 6. The thermal section of a circuit breaker consists of a ________ strip.
  5. 7. A common method of Fault protection is Automatic _______.
  6. 10. A common method of Basic protection.
  7. 12. A ________ diverter can be used to protect against overvoltage.
  8. 14. Although a circuit breaker protects against dangerous earth faults, an ______ gives superior protection by disconnecting the supply when leakage currents exceed 10 or 30mA.
  9. 17. Table B ______ gives the maximum length a circuit can be run, based on EFLZ.
  10. 18. To determine if circuit EFLZ complies when using table 8.2, you must use the _____ column.
  11. 21. Fig ___ 1 & 2 show typical arrangements for SPD's.
  12. 22. Fig B5 in rule book shows the earth fault ______.
  13. 23. The ________ section of a circuit breaker protects against overload currents.
  14. 25. Automatic Disconnection of supply shall be achieved by a system of earthing and auto disconnection of the fault by a _______ device.
  15. 28. As you get further from the transformer, the fault current ________ due to impedance of the cables.
  16. 29. Type of contact that describes someone touching the terminal of a electric motor.