Standard 551, Edition 8
UL 551

Standard for Transformer-Type Arc-Welding Machines

UL CSDS Proposal Edition 8 Published Date: September 06, 2013 Last Revision: June 02, 2022

Summary of Topics b0551_8_20130906_sum.html

Subject 551

Bulletin Dated: September 6, 2013

SUMMARY OF TOPICS

The following is being proposed:

1. Reaffirmation and Continuance of the Eighth Edition of the Standard for Transformer-Type Arc-Welding Machines, UL 551, as an American National Standard.
Back to Standard 551, Edition 8

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