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Standard 555S, Edition 5

Standard for Smoke Dampers

UL Red Line
Standard 555S, Edition 5 Edition Date: October 27, 2016
Summary of Topics s0555s_5_sum.html

Summary of Topics

This revision of ANSI/UL 555S is being issued to include editorial revisions to align with the family of UL 555 damper standards and include guidance on when the operational tests are conducted.

Back to Standard 555S, Edition 5

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