UK 3 Pin Plug wiring

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Across
  1. 5. The unit of measurement of resistance
  2. 6. The unit of measurement of electron flow
  3. 7. This line conductor has brown colour insulation
Down
  1. 1. This line conductor has blue colour insulation
  2. 2. Can be replaced when blown
  3. 3. The unit of measurement also known as potential difference
  4. 4. This conductor provides protection