Browse & Buy UL Standards
Standard 497, Edition 7

Standard for Protectors for Paired-Conductor Communications Circuits

UL Standard
Standard 497, Edition 7 Edition Date: April 25, 2001 ANSI Approved: October 06, 2017 $402.00-$998.00

Revisions and Related Documents

Revisions
Red Line Std. (4)

Date      
October 06, 2017 Revision
July 19, 2013 Revision
April 09, 2009 Revision
June 14, 2004 Revision
Showing 10 of XX
Show All

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.

×

Summary of Topics (SOT)
August 11, 2017 View
May 17, 2013 View
January 30, 2009 View
June 27, 2008 View
Showing 10 of XX
Show All

UL LLC CRD (0)

Showing 10 of XX
Show All None available.
Showing 10 of XX
Show All

Other Updates (2)

Showing 10 of XX
Show All
Bulletin   

Bulletins

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

×
Summary of Topics (SOT)
March 25, 2008 View
December 14, 2007 View
Showing 10 of XX
Show All
Showing 10 of XX
Show All
Showing 10 of XX
Show All
Showing 10 of XX
Show All

Referenced Standards (5)

Reverse Referenced Standards (16)

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.

×
×
×
×
×

You have one or more subscriptions that will expire soon.

×

You have one or more licenses to assign

×