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Standard 1449, Edition 4

Standard for Surge Protective Devices

UL CSDS Proposal
Standard 1449, Edition 4 Edition Date: July 17, 2014
Summary of Topics b1449_4_20140714_sum.html

Subject 1449

Bulletin Dated: July 17, 2014

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Surge Protective Devices, UL 1449, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Addition of Supplement SB - UL 1449 DC SPDs

2. For Preliminary Review Only: Correction to Requirements in 7.1.4.4

3. For Preliminary Review Only: Clarification of Voltage Switching SPDs

4. For Preliminary Review Only: Addition of Requirements for SPDs Intended for Pole Mounting

5. For Preliminary Review Only: SPDs Employing Pyrotechnic Ignition Devices

6. For Preliminary Review Only: Definition and Clarification of the Use of Cheesecloth and Tissue Paper

7. For Preliminary Review Only: Addition of Low Temperature Impact Test for Outdoor Use SPDs

8. For Preliminary Review Only: Clarifications to Sections 37 and 39

9. For Preliminary Review Only: Clarification of Table 33.1 and Table 33.2

10. For Preliminary Review Only: Clarification of Requirements for SPDs Intended for Rack Mounting

11. For Preliminary Review Only: Addition of Requirements for Outdoor use Type 3 SPDs

12. For Preliminary Review Only: Revision of 39.1.11(f) and 39.2.4(c)

13. For Preliminary Review Only: Revision of 39.4.1 Regarding SPD Temperature Equilibrium

Back to Standard 1449, Edition 4

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