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    • Industrial Products (Hazloc, Energy and Power Equipment and Machinery) - Canadia
    • C22.2 NO. 27-09 (R2017)

    Codes & Standards - Purchase

    C22.2 NO. 27-09 (R2017)

    Busways (Tri-national standard, with UL 857 and NMX-J-148-ANCE)
    SKU: 2419680 Published by CSA Group Publication Year 2009 Reaffirmed in 2017 132 pages

    Product Details

    • Preface/Scope
    • Updates
    Preface

    This is the harmonized ANCE, CSA, and UL standard for Busways. It is the third edition of NMX-J-148-ANCE, the sixth edition of CSA C22.2 No. 27, and the thirteenth edition of UL 857. This edition of NMX-J-143-ANCE cancels the previous edition published in 2001. This edition of CSA C22.2 No. 27 supersedes the previous edition published in 2000.

    Scope

    1.1.1
    This Standard applies to service-entrance, feeder, and branch-circuit busways and associated fittings rated at 600 V or less, 6 000 A or less, and intended for use in accordance with the Canadian Electrical Code, Part I (CE Code, Part I), the National Electrical Code (NEC), NFPA 70, and the Mexican Standard for Electrical Installations (Utility), NOM-001-SEDE, (see Annex B, Reference Item No. 1). These requirements do not apply to metal enclosed bus intended for connecting switchgear assemblies for use in prefabricated electric distribution systems.

    1.1.2
    For the purpose of these requirements, a busway is considered to be a grounded metal enclosure containing factory mounted conductors that are usually copper or aluminum bars, rods, or tubes.

    1.1.3
    Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information.

    1.1.4
    Unless otherwise indicated, all voltage and current values mentioned in this Standard are root-mean-square (rms).
     

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