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Standard 1973, Edition 2

Standard for Batteries for Use in Light Electric Rail (LER) Applications and Stationary Applications

UL CSDS Proposal
Standard 1973, Edition 2 Edition Date: June 30, 2017
Summary of Topics b1973_2_20170630_sum.html

Subject 1973

Bulletin Dated: June 30, 2017

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Batteries for Use in Light Electric Rail Applications (LER) and Stationary Applications, UL 1973, are being proposed:

1. The proposed 2nd edition of UL 1973 as an American National Standard and National Standard of Canada, which includes the following changes: a) Revision of short circuit test loading in 14.2, b) Revision of instruction requirements to include arc flash/blast calculation information to users, c) Revision to Internal Fire Test, d) Terminology revision throughout the entire standard to change "electric energy storage systems (EESS)" to "battery systems", e) Addition of a short circuit current and duration marking for battery systems, f) Requirements for Canada

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