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Standard 1978, Edition 4

Standard for Grease Ducts

UL Standard
Standard 1978, Edition 4 Edition Date: December 13, 2010 ANSI Approved: April 28, 2017 $505.00-$1,258.00

Revisions and Related Documents

Revisions
Red Line Std. (2)

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April 28, 2017 Revision
September 19, 2013 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).
  • A complete new edition of an existing Standard or Outline.
  • 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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December 22, 2017
July 19, 2017
February 24, 2017
March 22, 2013
January 09, 2013
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UL LLC CRD (0)

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Other Updates (0)

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Referenced Standards (2)

Below is a list of UL Standards referenced in UL 1978

Reverse Referenced Standards (2)

UL 1978 is referenced in the following list of UL Standards

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