Standard 268A, Edition 4
UL 268A

Standard for Smoke Detectors for Duct Application

UL Bulletin Edition 4 Published Date: April 23, 2009 Last Revision: August 25, 2023

$250.00-$314.00

Summary of Topics m0217_6_20090423_sum.html

Subject 217 (268, 268A)

Bulletin Dated: April 23, 2009

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Smoke Detectors and Alarms, STP 217:

1. Discussion of International Harmonization (US adoption of ISO standards)

2. Proposal - Clarification of Smoldering Smoke Test wood stick amount and orientation - UL 217

3. Proposal - Clarification of Smoldering Smoke Test wood stick amount and orientation - UL 268

4. Discussion - Report of Task Group on Surge Immunity

5. Proposal - New Surge Tests - UL 217

6. Proposal - Addition of a reference to NFPA 302 in Scope - UL 217

7. Discussion - Report of Task Group on Alarm Thresholds

8. Discussion - Report of Task Group on Nuisance Alarms

9. Proposal - Alarm Threshold Revisions - UL 217

10. Proposal - Alarm Threshold Revisions - UL 268

11. Proposal - Addition of lower beam limits for Flammable Liquid Fuel Fire - UL 217

12. Proposal - Addition of lower beam limits for Flammable Liquid Fuel Fire - UL 268

13. Proposal - Clarification of battery removal indication for AC powered with battery back-up smoke alarms - UL 217

14. Proposal - Alternative to cleaning following Dust Test exposure - UL 217

15. Proposal - Extended Temperature Range Testing - UL 268

16. Proposal - Clarification of Test Temperature Requirements - UL 268A

17. Discussion - Smoke Alarm audible signal effectiveness in alerting individuals who are sleeping or hearing impaired

18. Discussion - Marine vs. RV smoke detector requirements: Should the requirements be consolidated due to the limited differences

19. Discussion - Legislative update

20. Proposal - Establishing standardized marking of smoke alarms

21. Proposal - Establishing standardized marking of smoke alarm packaging

22. Discussion - Report of Task Group on Smoke Profiles

23. Discussion - Recommended replacement frequency of smoke detectors

24. Discussion - Proposed new task group on multicriteria smoke detectors

25. Discussion - Requirements for Video Image Smoke Detectors

26. Discussion - Report of Task Group on markings and instructions regarding selection and installation of photo and ion detectors

27. Discussion - Report of Task Groups on new standard for aerosol test sprays

28. Proposal from Task Group 1 on aerosol test sprays (base standard) - New, proposed Standard, ANSI/UL 268X, Standard for Aerosol Sprays Used for Functional Testing of Smoke Detectors/Smoke Alarms

29. Additional STP 217 Agenda Topic regarding NFPA 72 requirements for testing wireless interconnectors

30. Additional STP 217 Agenda Topic regarding vibration and shaking units for the hearing impared

31. Additional STP 217 Agenda Topic regarding smoke detector requirements in the post-newspaper age

32. Additional STP 217 Agenda Topic regarding air sampling type smoke detectors

33. Additional STP 217 Agenda Topic regarding discussion of detectors with batteries having a 10 year life span

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