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Single Site Energy Systems (SSES) may be comprised of distributed energy sources such as PV arrays, rotating generators, wind turbines, energy storage systems, grid interface equipment and related equipment. This standard...

Note: The scope for this NOI (originally published on October 6, 2020) was updated by the responsible SDO on June 22, 2021. 1.1 This Standard sets forth minimum requirements for safety valves, categorized as pressure-relief...

1.1 These requirements apply to factory-built gas-fired package boilers having input ratings of more than 117,228 W (400,000 Btu/h), per individual combustion chamber, and intended primarily for commercial and industrial...

1.1 These requirements apply to factory-built gas-fired package boilers having input ratings of more than 117,228 W (400,000 Btu/h), per individual combustion chamber, and intended primarily for commercial and industrial...

1.1 These requirements cover shutoff valves for trim and drain purposes for fire protection service. This standard covers valve constructions such as ball valves, butterfly valves, globe valves and plug valves. 1.2 These...

Note: The scope for this NOI (originally published on February 9, 2021) was updated by the responsible SDO on February 1, 2022. 1 Scope 1.1 These requirements cover electric powered industrial trucks, such as tractors...

This clause of Part 1 is replaced by the following. This Standard deals with the safety of electrically powered pool lifts intended for persons requiring assistance for safe entry into and out of a pool, their RATED VOLTAGE...

1 Scope 1.1 These requirements cover test procedures to be used in the evaluation of Class 120(E) or higher electrical insulation systems (EIS) for use in the United States, and Class 130(B) or higher EIS for use in Canada...

The scope of UL 793 covers automatically operated roof vents for smoke and heat that fall into two general categories: mechanically-opened and gravity-opened. Mechanically-opened vents consist primarily of a body frame, one...

1 Scope This part of ISO 12402 specifies the safety requirements for buoyancy aids with a buoyancy of not less than 50 N used in sheltered waters with help and rescue close at hand under such circumstances where more bulky or...

1.1 The test methodology in this standard determines the capability of a battery technology to undergo thermal runaway and then evaluates the fire and explosion hazard characteristics of those battery energy storage systems...

Most in-line pumps are designed to have the electric motor shaft directly attached to the pump shaft rather than a separate pump shaft. With this in mind, an in-line the pump is always provided with an electric motor. As...