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Standard 1989, Edition 5

Standard for Standby Batteries

UL Red Line
Standard 1989, Edition 5 Edition Date: November 09, 2018
Summary of Topics s1989_5_sum.html

Summary of Topics

This revision of ANSI/UL 1989 dated November 9, 2018 includes the following changes in requirements:

Revision of 1.1 to clarify what types of batteries are covered the standard.

Revision of 1.3 to clarify that lithium batteries are excluded.

Revision of terminology used in 4.2 and 4.3 to clarify that the standard covers lead acid and similar batteries.

Revision of flame arrestor tests in 7.3.2, 7.5.2, and 7.6.1.

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