Electrical word puzzle

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Across
  1. 3. form of conduit
  2. 4. secures wire
  3. 7. plan for wiring
  4. 11. buildings
  5. 13. Tool for mc
  6. 14. size of wire
  7. 15. wire
Down
  1. 1. form of conduit
  2. 2. over devices
  3. 5. circuit for houses
  4. 6. form of conduit
  5. 8. your protection from wire
  6. 9. metal support in construction
  7. 10. bushing
  8. 12. over devices