Historical

UL 1059 Ed. 5-2019

Standard for Terminal Blocks - Published Date: July 28, 2022

This revision of ANSI/UL 1059 dated June 23, 2020 the following changes in requirements:  Deletion of all references to the now withdrawn Standard for Power Conversion Equipment, UL 508C, and replace with the Standard for Adjustable Speed Electrical Power Drive Systems – Part 5-1: Safety Requirements - Electrical, Thermal and Energy, UL 61800-5-1; 8.6.  Special Handling of Delta-Rated Overcurrent Protective Devices; Section SA2.3.2A.

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