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UL 61215-1-1-2021 pdf download – Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval – Part 1-1: Special Requirements for Testing of Crystalline Silicon Photovoltaic (PV) Modules

UL 61215-1-1-2021 pdf download - Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval – Part 1-1: Special Requirements for Testing of Crystalline Silicon Photovoltaic (PV) Modules. 11.18 Bypass diode testing (MQT 18) This test of...

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UL 61215-1-3-2021 pdf download – Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval – Part 1-3: Special Requirements for Testing of Thin-Film Amorphous Silicon Based Photovoltaic (PV) Modules

UL 61215-1-3-2021 pdf download - Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval – Part 1-3: Special Requirements for Testing of Thin-Film Amorphous Silicon Based Photovoltaic (PV) Modules. 11.3 Insulation test (MQT 03) This test...

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UL 1737-2021 pdf download – Photovoltaic Junction Boxes

UL 1737-2021 pdf download - Photovoltaic Junction Boxes.3.3 BARRIER – A part inside an enclosure that reduces access to a part that involves a risk of fire, electric shock, injury to persons, or electrical energy-high current levels....

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UL-1738-2021 pdf download – Venting Systems for Gas-Burning Appliances, Categories II, III, and IV

UL-1738-2021 pdf download - Venting Systems for Gas-Burning Appliances, Categories II, III, and IV . 10 Thimbles 10.1 A venting system intended for horizontal installation shall be provided with a thimble constructed to enable the venting system...

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UL 969-2017 pdf download – Marking and Labeling Systems

UL 969-2017 pdf download - Marking and Labeling Systems. 4.3 Samples are to be representative of the construction of the marking and labeling system or unprinted material to be tested. Significant construction variables such as top-surface or...

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UL 8750-2021 pdf download – Light Emitting Diode (LED) Equipment for Use in Lighting Products

UL 8750-2021 pdf download - Light Emitting Diode (LED) Equipment for Use in Lighting Products. SC1 Scope SC1.1 These requirements apply to Temperature Limited (Type TL) LED drivers. SC2 Definitions SC2.1 CALCULATED T ref max – The...

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UL 6141 2020 pdf download – Wind Turbines Permitting Entry of Personnel

UL 6141 2020 pdf download - Wind Turbines Permitting Entry of Personnel. 2.3 Undated References 2.3.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to...

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UL 3730-2021 pdf download – Photovoltaic Junction Boxes

UL 3730-2021 pdf download - Photovoltaic Junction Boxes. 4.2.3 With reference to paragraph 7.2 (d) of the Standard for Flat-Plate Photovoltaic Modules and Panes, UL 1703, a polymeric material serving as the support or insulation of a...

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UL 2054-2021 pdf download – Household and Commercial Batteries

UL 2054-2021 pdf download - Household and Commercial Batteries. 5.7 CAPACITY, RATED – The capacity, in ampere-hours, of a cell or battery determined under specified load, temperature and voltage conditions and declared by the manufacturer. 5.8 CASING...

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UL 1696-2021 pdf download – Mechanical Protection Tubing (MPT) and Fittings

UL 1696-2021 pdf download - Mechanical Protection Tubing (MPT) and Fittings. 3.3 Connector – A fitting intended to terminate, secure, and support MPT to an enclosure, equipment or similar device. 3.4 Coupling – A fitting intended to...

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