Subject 879

Bulletin Dated: February 23, 2007

SUMMARY OF TOPICS

The following changes in requirements are being proposed:

1. Trim Cap Flame Rating - 4.16.2.1

2. Trim Cap RTI - Table 4.3, Part II, Row CC

3. Trim Cap - Table 4.3, Part II, Note 9

4. CTI Ratings for Polymeric Sign Components - Table 4.3, Rows F-M

5. Temperature Ratings - Table 4.3, Part II, Rows R-V

6. Temperature Ratings - Table 4.3, Part II, Note 10

7. Temperature Ratings - Table 4.3, Part II, Row O

8. Structural Panels - Table 4.3, Part II, Row BB

9. Sign Face Requirements - Table 4.3, Part II, Rows W-Z

10. Sign Face Requirements - Table 4.3, Part II, Rows F-M

11. Flexible Sign Faces, Ozone - Table 4.3, Part II, Rows R & T

12. Flexible Sign Faces, UV - Table 4.3, Part II, Rows R-V

13. Flexible Sign Faces, UV & Ozone - Table 4.3, Part II, Rows W-Z

14. Flexible Sign Faces, Cold Impact - Table 4.3, Part II, Rows W-Z

15. Channel Letters - Table 4.3, Part II, Rows FF & HH

16. Sign Body, Not Enclosure Rated, UV & Ozone - Table 4.3, Part II, Row O

17. Sign Face Trim, UV & Ozone - Table 4.3, Part II, Row CC

18. Polymeric Materials - 2.11.2.6

19. Tube Support Requirements - 5.15.2.6

20. Retention Tests of Electrode Cover - 3.4.1.11.2.1, 5.12.3.1, 5.12.3.3