U Standards

This specification establishes the performance and validation requirements for the inflator assembly used in airbag modules.

002600-000000-000000 1 Scope 1.1 These requirements cover valve equipment intended for installation in piping systems to supply water automatically to dry pipe, deluge, and pre-action sprinkler systems for fire-protection service. 1.2 Valves covered by these requirements may be a differential type,...

023680-000000-000000 1 Scope 1.1 This Standard includes fire test methods and associated requirements to investigate the ability of rigid nonmetallic or composite rigid nonmetallic intermediate bulk containers (IBCs) to contain combustible liquids when exposed to fire while protected with an...

007520-000000-000000 1 Scope 1.1 These requirements cover materials, devices, and fixtures used to form bullet-resisting barriers which protect against robbery, holdup, or armed attack such as those by snipers. 1.2 This standard can also be used to determine the bullet resistance of building...

012560-000000-000000 1 Scope 1.1 These requirements cover fire test methods to evaluate the performance of metallic and nonmetallic roof deck constructions subjected to internal (under deck) fire exposures for the purpose of determining the contribution of the roof covering material, insulation,...

008640-000000-000000 1 Scope 1.1 This Standard covers requirements as related to the following: a) Discrete electrical control units and accessories for fire alarm systems including smoke control, releasing, Building System Information Unit (BSIU), and emergency communication systems; b)...

628410-000040-000060 1 Scope IEC 62841-1:2014, Clause 1 is applicable, except as follows: Addition: This document applies to hand-held and backpack - garden blowers ; - garden vacuums ; and - garden blower/vacuums . This document does not apply to - walk-behind garden blowers , walk-behind garden...

00096a-000000-000000 1 Scope 1.1 These requirements cover the installation of lightning protection systems on all types of structures other than structures used for the production, handling, or storage of ammunition, explosives, flammable liquids or gases, and other explosive ingredients including...

097410-000000-000000 1 Scope 1.1 The requirements of this standard apply to off-board unidirectional and bidirectional equipment rated 1000 Vac and 1500 Vdc or less, that transfers electrical energy between an electric vehicle and off board loads as well as operating in parallel with an electric...

628170-000000-000000 1 Scope and object This International Standard is a design qualification standard applicable to solar trackers for photovoltaic systems, but may be used for trackers in other solar applications. The standard defines test procedures for both key components and for the complete...

014860-000000-000000 1 Scope 1.1 This Standard covers quick opening devices intended for attachment to dry pipe valves to reduce the time delay in operation of the valve following opening of one or more sprinklers. The quick opening devices consist of accelerators and exhausters for use with a...

017380-000000-000000 1 Scope 1.1 These requirements cover venting systems intended for venting Category II, III, or IV gas-burning appliances as defined by the Standard for Gas-Fired Central Furnaces (except Direct-Vent Central Furnaces), ANSI Z21.47 and the National Fuel Gas Code, NFPA 54. Venting...

019890-000000-000000 1 Scope 1.1 These requirements cover valve regulated or vented batteries with aqueous electrolytes that can be used in various applications including stationary applications such as instrument batteries, enclosed batteries, emergency lighting batteries, emergency power...

ul-2271.2 Batteries for Use In Light Electric Vehicle (LEV) Applications ANSI/CAN/UL/ULC 2271 1 Scope 1.1 These requirements cover electrical energy storage assemblies (EESAs) such as battery packs and combination battery pack-electrochemical capacitor assemblies and the subassembly/modules that...

ul-2271.2 Batteries for Use In Light Electric Vehicle (LEV) Applications ANSI/CAN/UL/ULC 2271 1 Scope 1.1 These requirements cover electrical energy storage assemblies (EESAs) such as battery packs and combination battery pack-electrochemical capacitor assemblies and the subassembly/modules that...

020430-000000-000000 1 Scope 1.1 This is a fire test method for determining the fire performance response of discrete products (including, but not limited to electrical, mechanical, and plumbing equipment) intended to be installed in air handling spaces, such as above suspended ceilings or below...

603350-000020-000030 1 Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of electric dry irons and steam irons , including those with a separate water reservoir or boiler having a capacity not exceeding 5 l, for household and similar...

01598c-000000-000000 1 Scope 1.1 These requirements apply to light-emitting diode (LED) retrofit kits that are intended to retrofit existing light sources or other components in previously installed luminaires that already comply with one of the standards in 3. 1.2 These kits are intended for use...

024430-000000-000000 1 Scope 1.1 This Standard covers flexible sprinkler hose with fittings intended for direct connection to fire sprinklers in installations requiring a flexible attachment to the sprinkler system piping such as clean rooms, suspended ceilings, and exhaust ducts. 1.2 The products...