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Standard 1558, Edition 5

Standard for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear

UL CSDS Proposal
Standard 1558, Edition 5 Edition Date: October 19, 2018
Summary of Topics b1558_5_20181019_sum.html

Subject 1558

Bulletin Dated: October 19, 2018

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear, UL 1558, are being proposed:

1. Addition of Requirements to Section 19.6 for the Allowance for Emergency Use Switchgear

Back to Standard 1558, Edition 5

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