Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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 Check 

Across: 2. Dangers 4. Craftman working with electric installation 5. controlled 7. another way 8. not working properly. Characterized by errors 11. past due; not done at the scheduled time 13. the owner of a house 16. in spite of 18. Not knowing. Not paying attention to. Being ignorant 19. a state of fitness or readines for use 20. has passed the test. Has finished an apprenticeship 21. UK electrical safety body 22. Ruling authority of a country

Down: 1. Rules 3. middle value. Mean value 6. fifty percent 9. sure. Know how to 10. old. Period of time 12. document with official evidence. Written official proof of something 14. make use of. Have someone work for 15. high level study 17. take on