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UL 891 Ed. 12-2019
Switchboards - Published Date: March 21, 2025
This new edition of ANSI/UL 891 covers switchboards nominally rated at 1 000 V or less and intended for use in accordance with the Canadian Electrical Code, Part I (CE Code, Part I), the National Electrical Code (NEC), ANSI/NFPA 70, and the Mexican Standard for Electrical Installations (Utility), NOM-001-SEDE.
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