Standard 1472, Edition 2
Red Line
November 10, 2017
UL 1472

Solid-State Dimming Controls

UL Red Line Edition 2 Published Date: November 10, 2017 Last Revision: July 12, 2022

Summary of Topics s1472_2_sum.html

Summary of Topics

This revision of ANSI/UL 1472 includes the following:

1. Addition of 347 VAC Synthetic Load Characteristics to Represent Electronic Ballasts and Self- Ballasted Lamps

2. Addition of Requirements for CFL and LED - Recovery Time

3. Editorial Correction of Clause 5.10.2 to Correct Figure Number Reference and Re-naming of Figure 4

4. Clarification of Lamp Compatibility Information Provided in Clause 7.1.8

5. Addition of Abbreviation “EFL” Denoting “Electronic Fluorescent Ballast” Light Load to Table 15

As noted in the Commitment for Amendments statement located on the back side of the title page, UL and CSA are committed to updating this harmonized standard jointly.

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