Are Challenger breakers safe?

Related questions

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2. Who bought Challenger breakers?
3. How many types of panel boards are there?
4. Who owns Cutler Hammer?
5. Will a Siemens breaker fit in a Square D panel?
6. What breaker is compatible with GE?
7. Are Challenger panels bad?
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9. What is the difference between a main breaker and a main lug?
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Tags

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2. #challenger
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4. #types
5. #designed
6. #brands
7. #catch
8. #panels
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14. #cause
15. #circuit
16. #protect
17. #could
18. #certain
19. #electrical
20. #actually
21. #there