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    • CSA C22.2 NO. 291:19

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    CSA C22.2 NO. 291:19

    Bare and covered ferrules (Binational standard with UL 486F)

    SKU: 2703661 Published by CSA Group Publication Year 2019

    Product Details

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    Preface


    This is the harmonized CSA Group and UL standard for Bare and Covered Ferrules. It is the second edition of CSA C22.2 No. 291 and the second edition of UL 486F. This edition of CSA C22.2 No. 291 supersedes the previous edition published in 2014. This harmonized standard has been jointly revised on December 29, 2021. For this purpose, CSA Group and UL are issuing revision pages dated December 29, 2021.


    The major differences between this edition and the previous edition include editorial updates to Tables 1-6, clarification to dielectric voltage withstand test, addition of wire gauge to marking requirements, expansion of the scope to include wire ranges covered by this standard and updates to the referenced publications.


    This standard was reviewed by the CSA Integrated Committee on Electrical Connectors, under the jurisdiction of the CSA Technical Committee on Wiring Products and the CSA Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the CSA Technical Committee. This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.


    Scope


    1.1

    These requirements cover bare and covered ferrules intended for field wiring and factory wiring for use in accordance with the National Electrical Code, ANSI/NFPA-70 and Canadian Electrical Code, Part I, CSA C22.1.


    1.2

    These ferrules are intended to facilitate the connection of stranded wire on to devices, such as terminal blocks. Their purpose is to treat stripped wire and prevent turned back strands during installation. They are intended to be used to attach to one stranded copper conductor or two stranded copper conductors of the same size.


    1.3

    When intended for use with one conductor, these ferrules are suitable for use with 1/0 – 26 AWG, 50 – 0.14 mm2 , stranded copper conductors.


    1.4

    When intended for use with two conductors, these ferrules are suitable for use with (2) 6 – (2) 26 AWG, (2) 16 – (2) 0.25 mm2, stranded copper conductors.


    1.5

    These ferrules are intended to be terminated in wire connection devices rated for solid conductors.


    1.6

    Ferrules are not intended for use in IDC (insulation displacement connection) terminal blocks.


    1.7

    This standard does not apply to wire connectors such as pin adapters covered in CSA C22.2 No. 65 or UL 486A-486B.


    1.8

    In Canada, general requirements applicable to this Standard are provided in CAN/CSA-C22.2 No. 0.

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    CSA C22.2 NO. 291:19

    Bare and covered ferrules (Binational standard with UL 486F)

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    CSA C22.2 NO. 291:14 (R2019)

    Bare and covered ferrules (Bi-national standard, with UL 486F)

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