Electrical

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Across
  1. 1. Supervisory system used for monitoring and controlling electrical installations.
  2. 6. Alternative term commonly used for earthing.
  3. 7. Fault caused by unintended low-resistance connection between conductors.
  4. 9. Electronic device used to control motor speed by varying frequency.
  5. 12. Process of matching voltage, frequency, and phase before connecting generators.
  6. 14. Safety system used to dissipate fault current into the ground.
  7. 15. Electrical network operating at high voltage levels.
  8. 16. Protective device that detects abnormal conditions and initiates tripping.
  9. 19. Motor control panel used for operating and protecting motors.
  10. 20. Number of AC cycles occurring per second.
  11. 21. Conductor that serves as the return path in an electrical system.
  12. 22. Device installed to protect structures from lightning surges.
  13. 24. Instrument used to measure electrical potential difference.
  14. 31. Electrochemical device used to store electrical energy.
  15. 32. Backup power system providing uninterrupted supply during outages.
  16. 34. Standby power generation unit driven by a diesel engine.
  17. 36. Live conductor carrying electrical energy in an AC circuit.
  18. 37. Protective device that automatically interrupts fault current.
  19. 38. Electrically controlled switching device used for motors and loads.
  20. 39. Electrical network operating at low voltage levels.
  21. 40. Process of connecting a cable to electrical equipment.
  22. 42. Facility where electrical voltage is transformed and distributed.
  23. 43. Electrical potential difference between two points.
  24. 44. Instrument capable of measuring voltage, current, and resistance.
  25. 45. Machine that converts mechanical energy into electrical energy.
  26. 47. Complete lighting fixture including lamp and accessories.
  27. 48. Device used to secure and terminate electrical cables.
Down
  1. 2. Instrument used to measure electric current.
  2. 3. Protective pipe used for routing electrical wiring.
  3. 4. Device used to disconnect electrical equipment from the power source.
  4. 5. Device that converts DC power from solar panels into AC power.
  5. 8. Flow of electric charge through a conductor.
  6. 10. Equipment used to step up or step down voltage levels.
  7. 11. Opposition offered by a circuit to alternating current.
  8. 12. Assembly used for protection, control, and isolation of electrical equipment.
  9. 13. Equipment that converts DC power into AC power.
  10. 17. Metallic conductor used for power distribution within panels.
  11. 18. Support system used for routing and organizing electrical cables.
  12. 19. Instrument used to measure insulation resistance.
  13. 23. Severe injury or death caused by electric shock.
  14. 25. Unit used to measure illumination intensity.
  15. 26. Miniature circuit breaker used for overload and short-circuit protection.
  16. 27. Component used for power factor correction and energy storage.
  17. 28. Electrical conductor carrying power from a source to distribution points.
  18. 29. Component that stores energy in a magnetic field.
  19. 30. Network responsible for delivering electrical power to end users.
  20. 33. Ratio of real power to apparent power in an AC system.
  21. 35. Distribution board housing protective and control devices.
  22. 41. Condition in which current exceeds the rated capacity of equipment.
  23. 46. Protective device that trips upon detecting earth leakage current.