UL 1472-2020 pdf download.Solid-State Dimming Controls. Electronic ballast – A ballast, generally involving high-frequency switching that is controlled by active components (transistors, thyristors, and the like), and with the lamp ballasting impedance provided by a
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UL 1431-2020 pdf download
UL 1431-2020 pdf download.Personal Hygiene and Health Care Appliances. 2.11 CONTROL, MANUAL – A device that requires direct human interaction to activate or rest the control. 2.12 CONTROL, OPERATING – A device or assembly of
Read moreUL 1203-2020 pdf download
UL 1203-2020 pdf download.ExplosionProof and Dust-IgnitionProof Electrical Equipment for Use in Hazardous (Classified) Locations. 35 Enclosure 35.1 General 35.1.1 The enclosure shall prevent the entrance of dust. See Dust-Penetration Test, Section 43. 35.1.2 The enclosure
Read moreUL 1063-2020 pdf download
UL 1063-2020 pdf download.Machine-Tool Wires and Cables. 4 Terms 4.1 Wherever the designation “UL 1581” is used in this wire standard, reference is to be made to the designated part(s) of the Reference Standard for
Read moreUL 1053-2020 pdf download
UL 1053-2020 pdf download.Ground-Fault Sensing and Relaying Equipment. 3 Components 3.1 Except as indicated in 3.2, a component of a product covered by this Standard shall comply with the requirements for that component. See Appendix
Read moreUL 1004-2-2020 pdf download
UL 1004-2 2020 pdf download.Impedance Protected Motors. 2 General 2.1 A motor that uses alternate major insulation system component materials shall have each material subjected to the Endurance Test, Section 4. Following the tests, the
Read moreUL 498E-2020 pdf download
UL 498E 2020 pdf download.Attachment Plugs, Cord Connectors and Receptacles – Enclosure Types for Environmental Protection. 1 Scope 1.1 The requirements cover an enclosure rating system for attachment plugs, receptacles, inlets, and cord connectors provided
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UL 385 2020 pdf download.Play Pipes for Water Supply Testing in Fire Protection Service. 1 Scope 1.1 These requirements cover play pipes for testing of water supplies for fire protection service. 1.2 The play-pipe design
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UL 360 2020 pdf download.Liquid-Tight Flexible Metal Conduit. 1 Scope 1.1 These requirements cover the 3/8 (12), 1/2 (16), 3/4 (21), 1 (27), 1-1/4 (35), 1-1/2 (41), 2 (53), 2-1/2 (63), 3 (78), 3–1/2 (91),
Read moreUL 132-2020 pdf download
UL 132 2020 pdf download.Safety Relief Valves for Anhydrous Ammonia and LP-Gas. 6 Materials 6.1 An operating or fluid-confining part of a valve shall have the strength and durability to provide reliable service of the
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