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Standard 497C, Edition 2

Protectors for Coaxial Communications Circuits

UL Standard
Standard 497C, Edition 2 Edition Date: August 03, 2001 ANSI Approved: February 07, 2022 $402.00-$998.00

Revisions and Related Documents

Revisions
Red Line Std. (6)

Date      
February 07, 2022 Redline Revision
February 10, 2017 Revision
December 21, 2012 Revision
October 15, 2008 Revision
June 14, 2004 Revision
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CSDS
Proposals (4)

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 17, 2021
December 23, 2016
October 26, 2012
June 27, 2008
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UL LLC CRD (0)

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Other Updates (1)

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Bulletin   

Bulletins

These bulletins are not used in CSDS. These are announcement and report type bulletins.

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Summary of Topics (SOT)
December 14, 2007 View
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Referenced Standards (6)

Reverse Referenced Standards (1)

UL 497C is referenced in the following list of UL Standards

StandardEditionTitle
1449 5 Surge Protective Devices
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