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Standard 555C, Edition 4

Standard for Ceiling Dampers

UL Red Line
Standard 555C, Edition 4 Edition Date: May 01, 2017
Summary of Topics s0555c_4_sum.html

Summary of Topics

This revision of ANSI/UL 555 is being issued to align with the family of UL 555 damper standards and include requirements for Long Term Holding Test.

Back to Standard 555C, Edition 4

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