Which EPL team has never been relegated?

Related questions

1. When did Chelsea win the Europa League?
2. Who is the most successful football club in London?
3. When last did Chelsea win the Champions League?
4. How did Chelsea win Champions League?
5. What teams have never been relegated?
6. How many times have Chelsea won the league?
7. Which team did Chelsea beat to win the Champions League?
8. What happens if Chelsea win the Europa League?
9. Did Rangers die?
10. When did Chelsea win the league?

Tags

1. #tottenham
2. #chelsea
3. #united
4. #running
5. #along
6. #course
7. #relegated
8. #premier
9. #liverpool
10. #hotspur
11. #league
12. #longest
13. #without
14. #manchester
15. #never
16. #arsenal
17. #considering
18. #brighton
19. #relegation
20. #teams
21. #everton