electricity crossword

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Across
  1. 4. ground fault protection device
  2. 5. abbriviation of safety device
  3. 6. service to bring power from the roof
  4. 7. part of NEC article 250
  5. 9. a law for I,R,E relationships
  6. 10. hot conductor
  7. 12. earth
  8. 13. underground service
  9. 14. arc fault circuit interupter
  10. 15. circuit to connect in 3 phase system
Down
  1. 1. potential difference
  2. 2. elecrical consumption unit
  3. 3. a device that reduces the AC voltage
  4. 4. white conductor
  5. 5. raceway
  6. 8. bare conductor
  7. 11. safety device