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UL 464A Ed. 1-2016 (2025)

Standard for Audible Signal Appliances for General Signaling Use - Published Date: July 9, 2025

This reaffirmation of ANSI/UL 464A dated July 9, 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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