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UL 1784 Ed. 4-2015 (2025)
Standard for Air Leakage Tests of Door Assemblies and Other Opening Protectives - Published Date: January 16, 2025
This reaffirmation of ANSI/UL 1784 dated January 16, 2025 is being issued to update the title page to reflect the most recent designation as a Reaffirmed American National Standard (ANS). No technical changes have been made.
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Underwriters Laboratories [ul]