UL 60034-5
Standard for Rotating Electrical Machines – Part 5: Degrees of Protection Provided by the Integral Design of Rotating Electrical Machines (IP code) – Classification
standard by Underwriters Laboratories, 01/16/2019
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UL 61724-1
Standard for Photovoltaic System Performance – Part 1: Monitoring
standard by Underwriters Laboratories, 01/29/2019
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