Why did my projector lamp explode?

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Tags

1. #defect
2. #supply
3. #caused
4. #incorrect
5. #fails
6. #projector
7. #often
8. #especially
9. #explosions
10. #ballast
11. #defects
12. #overheating
13. #prevent
14. #voltage
15. #switch
16. #power