Standards World

UL-60079-17:2017 pdf free download - STANDARD FOR SAFETY Explosive Atmospheres - Part 17: Electrical Installations Inspection and Maintenance. 4.2 Qualification of personnel 4.2DV D2 Modification of Clause 4.2 to replace with the following: The inspection and maintenance...

UL-60079-6:2016 pdf free download - STANDARD FOR SAFETY Explosive atmospheres - Part 6: Equipment protection by liquid immersion "0”. 4.5.2 Sealed enclosures Covers of sealed enclosures may be continuously welded to the enclosure, or sealed by means...

UL-60079-5:2016 pdf free download - STANDARD FOR SAFETY Explosive Atmospheres - Part 5: Equipment protection by powder flling "q". 4 Constructional requirements 4.1 Containers 4.1.1 Closing and sealing 4.1.1.1 General Containers of electrical equipment, parts of electrical...

UL-8752:2012 pdf free download - STANDARD FOR SAFETY Organic Light Emitting Diode (OLED) Panels. 2.4 Specific components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions,...

UL-5085-1:2011 pdf free download - Underwriters Laboratories Inc. Standard for Safety LoW Voltage Transformers - Part 1: General Requirements. 6.6 Barriers for openings 6.6.1 A barrier that is not an integral part of the enclosure intended for...

UL-2771:2011 pdf free download - Paper Products. 5.37 TOXIC — Those Cat 1-3 chemicals that are acutely toxic to human health. those Cat 1, 1 A and 1 B reproductive toxicants. and those Cat 1 and 2...

UL-2231-2:2012 pdf free download - STANDARD FOR SAFETY Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: Particular Requirements for Protection Devices 21.2 The leakage current from any part to ground is permitted to exceed 0.5 MIU...

UL-2127:2012 pdf free download - STANDARD FOR SAFETY Inert Gas Clean Agent Extinguishing System Units. 11 Pressure Relief Devices 11.1 Storage containers and applicable manifold and pilot relief devices shall be provided. 12 Gaskets and “0” Rings...

UL-2054:2011 pdf free download - Household and Commercial Batteries. 4.4 Printed wiring boards Added 4.4 effective November 11, 2011 4.4.1 Printed wiring boards mounting battery circuit components shall be rated V-i minimum. Added 4.4.1 effective November 11,...

UL-1993:2012 pdf free download - STANDARD FOR SAFETY Self-Ballasted Lamps and Lamp Adapters. 3) Marked for installation in a specific luminaire only in accordance with Table 10.1. Item 26, shall be normal temperature tested in the specified...