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Across
  1. 5. – Devices to sharpen tools.
  2. 6. – Finds cables in walls.
  3. 8. – Switch that interrupts power flow.
  4. 10. – Spool for storing cables.
Down
  1. 1. – Portable light source.
  2. 2. – Long power cable.
  3. 3. – Measures voltage, resistance, current.
  4. 4. – Detects electrical current.
  5. 7. – Picks up metal with a magnet.
  6. 9. – Helmet for head protection.