Subject 1694

Bulletin Dated: September 16, 2005

SUMMARY OF TOPICS

The following topics were discussed at the meeting:

1. Miscellaneous Revisions to UL 94

2. Removal of Conformal Coating Test Descriptions in Sections 43 and 70 (746C)

3. Modification of UL 94 Scope to Express Relationship to UL 1694

4. Changes in UL 746C to Align with IEC Standards

5. Editorial Correction for UL 746B

6. Clarification of VTM Test Application in UL 94

7. Clarification of 127 mm (5-inch) Flame Test (UL746C)

8. DMA as a Method for Evaluating Performance at Temperature

9. Polymer Variations - Revision of Tables 8.1 in UL 746A and 19.1 in UL 746B

10. Revising Section 23 to Denote Differences between ASTM 3638 and IEC 60112 (746A)

11. Added Exceptions for Ambient Temperature Limits for Some UL 746A Tests

12. Added General Details for Sample Preparation (746A)

13. Corrections for References to Some Outside-Standards (746A)

14. Elimination of Dated References to Codes and Standards (746A)

15. Correction of Ball Pressure Test Description to Match IEC Standard (746A)

16. Clarification of Sequence of Abnormal Overload Tests (746C)

17. Alignment of Mechanical Property Requirements in UL 746B and 746C

18. Add Reference to UL 746A in Dielectric Strength Test in UL 746C

19. Clarification of Glow-Wire End-Product Test (UL 746C)

20. Clarification of Mold Stress-Relief Distortion Test (UL 746C)

21. Substitute "Thermal Endurance" for Maximum-Use Temperature in Table 6.1 (UL 746C)

22. ReUse of Plastics (UL 746D)

23. Heat Release Rates to Evaluate the Risk of External Ignition