Electrical Installation

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Across
  1. 3. System that distributes electricity in a building
  2. 7. Plastic covering around a wire to prevent electric shock
  3. 9. Unit used to measure electric current
  4. 11. Component used to control a light or electrical circuit
  5. 12. Device that automatically disconnects power during a fault
Down
  1. 1. Instrument used to measure voltage
  2. 2. Metal path that allows electricity to flow
  3. 4. Material that resists the flow of electricity
  4. 5. UNIT Box where electrical circuits are distributed in a building
  5. 6. Device used to protect a circuit from overload
  6. 8. Unit used to measure electrical power
  7. 10. Safety connection that prevents electric shock