Standard for Signaling Devices for the Deaf and Hard of Hearing

UL Bulletin Edition 3 Published Date: December 17, 2008 Last Revision: February 15, 2024

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Summary of Topics m0464_8_20081220_sum.html

The following topics were discussed at the meeting of the Standards Technical Panel for Signal Appliances:

1. Proposed New Section for Protective Covers and Accessories to Harmonize between ULI and ULC Standards, UL 464

2. Proposed New Section for Marking Permanence to Harmonize between ULI and ULC Standards, UL 464

3. Proposed Revisions to Marking Requirements to Harmonize between ULI and ULC Standards, UL 464

4. Proposed Revisions to Salt Spray Test, Outdoor Use, to Harmonize between ULI and ULC Standards, UL 464

5. Proposed Revisions to Variable Ambient Temperature Test to Harmonize between ULI and ULC Standards, UL 464

6. Proposed New Transient Pressure Test to Harmonize between ULI and ULC Standards, UL 464

7. Proposed Revisions to Specified Test Voltages to Harmonize between ULI and ULC Standards, UL 464

8. Proposed Revisions to Dust Test to Harmonize between ULI and ULC Standards, UL 464

9. Proposed Revisions to Temperature Test to Harmonize between ULI and ULC Standards, UL 464

10. Proposed Revisions to Endurance Test to Harmonize between ULI and ULC Standards, UL 464

11. Proposed Revisions to Jarring and Vibration to Harmonize between ULI and ULC Standards, UL 464

12. Proposed Revisions to Burnout Test to Harmonize between ULI and ULC Standards, UL 464

13. Proposed Revisions to Polymeric Materials Tests to Harmonize between ULI and ULC Standards, UL 464

14. Proposed Revisions Regarding Performance Requirements for Notification Appliances for use in Mass Notification Systems, UL 1480

15. Proposed Revision to the Power Input Test, UL 1480

16. Discussion of International Harmonization Opportunities and Procedures

17. Discussion Regarding Installation of Visual Signaling Appliances (UL 1638 and UL 1971) in Walk-in Freezers and Coolers

18. Discussion Regarding Harmonization of Humidity Requirements

19. Discussion Regarding Testing Requirements for Protective Covers for Harsh Environments

20. Discussion Regarding Appliances Used in Environments Where Temperatures are Below Freezing, 32�F (0�C)

21. Reports from STP Task Groups on: (a) Revisions to UL 464, UL 1480, UL 1638, and (b) UL 1971 Due to Code Changes and Directional Sound Appliances

22. Additional STP 464 Agenda Item Regarding 75 dB Requirements for UL 464 and UL 1480

23. Additional STP 464 Agenda Item Regarding Sound Pressure Level Requirements for UL 464 and UL 1480