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UL

PDF Standards UL 60947-7-4

Low-Voltage Switchgear and Controlgear – Part 7-4: Ancillary equipment – PCB terminal blocks for copper conductors
standard by Underwriters Laboratories, 04/27/2018

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UL

PDF Standards UL 80079-20-1

Explosive Atmospheres – Part 20-1: Material Characteristics for Gas and Vapour Classification – Test Methods and Data
standard by Underwriters Laboratories, 06/02/2020

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