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UL Standards

Standards [CURRENT]

CSA C802.5-16

Guideline for evaluating the efficiency of dry-type transformers under non-linear loading
Edition 2016-03-01

Standards [CURRENT]

CSA W231

Developing and interpreting intensity-duration-frequency (IDF) information under a changing climate
Edition 2025-02-01

Standards [New]

ISO 13347-1

Fans - Determination of fan sound power levels under standardized laboratory conditions - Part 1: General overview
Edition 2025-07

Draft standard [New]

ISO/FDIS 13347-2

Fans - Determination of fan sound power levels under standardized laboratory conditions - Part 2: Reverberant room method
Edition 2025-07

Draft standard

ISO/DIS 13347-3

Fans - Determination of fan sound power levels under standardized laboratory conditions - Part 3: Enveloping surface methods
Edition 2025-01

Standards [New]

ISO 13347-4

Fans - Determination of fan sound power levels under standardized laboratory conditions - Part 4: Sound intensity method
Edition 2025-07

Pre-standard

ISO/TS 16975-4

Respiratory protective devices - Selection, use and maintenance - Part 4: Selection and usage guideline for respiratory protective devices under pandemic/epidemic/outbreak of infectious respiratory disease
Edition 2022-11

Technical rule [CURRENT]

ISO/TR 17326

Fuel cell road vehicles - Cold start performances under sub-zero temperature - Vehicles fuelled with compressed hydrogen
Edition 2023-12

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