Standard 497, Edition 7
UL 497

Standard for Protectors for Paired-Conductor Communications Circuits

UL CSDS Proposal Edition 7 Published Date: June 27, 2008 Last Revision: July 25, 2022

Summary of Topics b0497_7_20080627_sum.html

Subject 497

Bulletin Dated: June 27, 2008

SUMMARY OF TOPICS

The following changes in requirements are being proposed:

1. Approval of the Seventh Edition of the Standard for Protectors for Paired-Conductor Communications Circuits, UL 497, as an American National Standard with No Change in Requirements

Back to Standard 497, Edition 7

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