Standards World

UL 884:2016 pdf free download – STANDARD FOR SAFETY Underfloor Raceways and Fittings

UL 884:2016 pdf free download - STANDARD FOR SAFETY Underfloor Raceways and Fittings. 6.2 Outlet boxes and fittings 6.2.1 A junction box or duct fitting, if made of iron or steel, shall be protected against corrosion by...

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ASME B16.22:2018 pdf free download – Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings

ASME B16.22:2018 pdf free download - Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings 2.1 Relevant Units This Standard states values in both SI (metric) and U.S. Customary units. These systems of units are to be regarded...

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UL 758:2022 pdf free download – STANDARD FOR SAFETY Appliance Wiring Material

UL 758:2022 pdf free download - STANDARD FOR SAFETY Appliance Wiring Material. Compliance of the DC conductor resistance shall be determined in accordance with DC Conductor Resistance, Section 220, of UL 1581. For braided conductors, the following...

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ASME B18.5:2012 pdf free download – Round Head Bolts (Inch Series)

ASME B18.5:2012 pdf free download - Round Head Bolts (Inch Series) 1.1.1 This Standard covers the complete general and dimensional data for the various types of inch series bolts generally classified as round head bolts and recog-...

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UL 489B:2016 pdf free download – STANDARD FOR SAFETY Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit Breaker Enclosures for Use with Photovoltaic (PV) Systems

UL 489B:2016 pdf free download - STANDARD FOR SAFETY Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit Breaker Enclosures for Use with Photovoltaic (PV) Systems. 9.2 Representative devices shall be wired in accordance with the instructions of the...

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ASME B107.4:2019 pdf free download – Driving and Spindle Ends for Portable Hand, Impact, Air, and Electric Tools (Percussion Tools Excluded)

ASME B107.4:2019 pdf free download - Driving and Spindle Ends for Portable Hand, Impact, Air, and Electric Tools (Percussion Tools Excluded) 1 SCOPE This Standard applies to portable power tools for drilling, grinding, polishing, sawing, and driving...

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UL 355:2016 pdf free download – STANDARD FOR SAFETY Cord Reels

UL 355:2016 pdf free download - STANDARD FOR SAFETY Cord Reels. 6.7 During the examination of a product to determine compliance with 6.1 or 6.2, a part of the enclosure that can be opened or removed by...

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ASME B30.11:2004 pdf free download – Monorails and Underhung Cranes

ASME B30.11:2004 pdf free download - Monorails and Underhung Cranes The use of cableways, cranes, derricks, hoists, hooks, jacks, and slings is subject to certain hazards that cannot be met by mechanical means but only by the...

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ASME NTB-2:2019 pdf free download – Background Information for Addressing Adequacy or Optimization of ASME BPVC Section III, Division 5 Rules for Metallic Components

ASME NTB-2:2019 pdf free download - Background Information for Addressing Adequacy or Optimization of ASME BPVC Section III, Division 5 Rules for Metallic Components 2 RECOMMENDED PRACTICES IN ELEVATED TEMPERATURE DESIGN: A COMPENDIUM OF REACTOR EXPERIENCES (1970–1987),...

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UL 347:2016 pdf free download – STANDARD FOR SAFETY Medium-Voltage AC Contactors, Controllers, and Control Centers

UL 347:2016 pdf free download - STANDARD FOR SAFETY Medium-Voltage AC Contactors, Controllers, and Control Centers. 4.102 Rated duties 4.103 Rated making and breaking capacities A contactor shall be capable of making and breaking the maximum current...

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