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Standard 555C, Edition 4

Standard for Ceiling Dampers

UL Standard
Standard 555C, Edition 4 Edition Date: December 16, 2014 ANSI Approved: May 01, 2017 $505.00-$1,258.00

Revisions and Related Documents

Revisions
Red Line Std. (2)

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May 01, 2017 Redline Revision
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CSDS
Proposals (5)

CSDS Proposal   

CSDS Proposals

An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose:

  • A revision of a single or multiple requirement(s).
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  • A new Standard or Outline that has not previously been published.

CSDS Proposals provide access to view the proposal and submit comments within UL's Collaborative Standards Development System (CSDS) appropriately.

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October 23, 2020
August 14, 2020
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February 03, 2017
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UL LLC CRD (1)

UL LLC - Certification Requirement Decision    Learn more about CRDs
January 06, 2020
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Referenced Standards (0)

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