Subject 1598

Bulletin Dated: September 21, 2007

SUMMARY OF TOPICS

The following changes in requirements are being proposed:

1. Revision of bonding circuit impedance test to revert back to the previous UL 1570 series standards

2. Add requirements for evaluation of accessible lampholder leads during normal use

3. Add requirements for 60°C branch circuit conductors for temperature test exempt luminaires

4. Add requirements for decorative part securement

5. Add requirements for smaller gage wire conductors for Class 2 power limited circuits

6. Correction of dimensions specified in large scale fallout test

7. Add germicidal lamp marking requirements

8. Revise requirements for open holes and openings to reduce risk of fire when certain electrical components are used

9. Add torque and strength test requirements for ground-screw assemblies

10. Revise requirements for UV attenuation barriers for metal halide lamps

11. Add strain relief test requirements to address metal junction boxes having integral strain relief mechanism for cable

12. Add requirements for uncovered canopy luminaires marked spacings

13. Add temperature limits to Table 14.1.2 for compact fluorescent lamps

14. Correction of marking requirements for air handling luminaires

15. Revise temperature testing requirements for Type Non-IC recessed luminaires

16. Delete requirements for obsolete test lamps from Table 19.8.2

17. Add 50-lb weight limit requirements for outlet boxes supplied to US markets

18. Revise volume requirements for wiring compartments and junction boxes

19. Delete requirements for dielectric testing immediately following normal temperature test

20. Delete requirements for suspended ceiling luminaires

21. Revise temperature test requirements for surface ceiling luminaires

22. Revise pass/fail criteria for five-inch flame test

23. Add requirements to address luminaires incorporating instant-start ballasts and bi-pin lampholders

24. Revise requirements for lamp containment in the event of HID ruptures

25. Clarify requirements for pole lengths over 4 meters for Canada

26. Clarify requirements for polymeric impact test

27. Relocate G8 lamp base requirements from Table 7.3.3.1 to Table 7.3.3.2

28. Miscellaneous corrections and clarifications

29. Changes and additions to requirements for Mexico

30. Add Canada-only branch circuit disconnect Clauses 8.9 (CAN) and 8.10 (CAN)