Electrical Circuits

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Across
  1. 3. Safety device that detects current imbalance and trips quickly
  2. 6. Unit used to measure electrical pressure
  3. 9. Location where all building circuits originate
  4. 10. Resettable overcurrent protection device
  5. 13. Wire that provides a return path for electrical current
  6. 14. Wire that carries current from the source to the device
  7. 18. Panel supplied by a feeder circuit
  8. 19. Overcurrent protection device that melts when current is too high
  9. 20. Negatively charged particles that flow through a conductor
  10. 21. Material that allows electricity to flow
  11. 22. System that provides a safe path for electricity during a fault
  12. 23. Circuits that supply power from the main panel to a subpanel
  13. 24. Unit used to measure electrical current
Down
  1. 1. Two-wire circuit commonly used for lighting and outlets
  2. 2. Three-wire circuit used for high-demand appliances
  3. 4. Path electrons use to travel to and from their source
  4. 5. Condition where 120-volt loads are equal on each side of the panel
  5. 7. Outlet installed for a specific appliance
  6. 8. Fuse used in higher-amperage circuits
  7. 11. Unit used to measure electrical power
  8. 12. Formula that shows the relationship between watts, amps, and volts
  9. 15. Circuits that serve individual loads or groups of loads
  10. 16. Condition when too much electricity flows through a circuit
  11. 17. Fuse with Edison base threads