• IEEE C37.21-2005

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    IEEE Standard for Control Switchboards

    Available format(s):  PDF

    Superseded date:  23-05-2017

    Language(s):  English

    Published date:  01-12-2005

    Publisher:  Institute of Electrical & Electronics Engineers

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    Table of Contents - (Show below) - (Hide below)

    1. Overview
    2. Normative references
    3. Definitions
    4. Usual service conditions
    5. Ratings
    6. Tests
    7. Construction
    Annex A (informative) - Bibliography
    Annex B (informative) - General application guide
    Annex C (informative) - Handling, storage, and
            installation guide

    Abstract - (Show below) - (Hide below)

    This standard covers ratings, construction, and testing of dead-front control switchboards containing but not limited to devices such as switches, control devices, instrumentation, metering, monitoring, protective and auxiliary relays, and regulating devices and accessories.

    General Product Information - (Show below) - (Hide below)

    Committee Switchgear
    Development Note Supersedes IEEE DRAFT C37.21. (12/2005)
    Document Type Standard
    Publisher Institute of Electrical & Electronics Engineers
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    IEEE C37.23-2003 IEEE Standard for Metal-Enclosed Bus
    IEEE C37.100.1-2007 IEEE Standard of Common Requirements for High Voltage Power Switchgear Rated Above 1000 V
    NEMA SG 3 : 1995 LOW-VOLTAGE POWER CIRCUIT BREAKERS
    NEMA SG 5-1995 POWER SWITCHGEAR ASSEMBLIES
    IEEE C37.122.1-2014 REDLINE IEEE Guide for Gas-Insulated Substations Rated Above 52 kV
    IEEE C37.24-2003 IEEE Guide for Evaluating the Effect of Solar Radiation on Outdoor Metal-Enclosed Switchgear
    IEEE 45.1-2017 IEEE Recommended Practice for Electrical Installations on Shipboard--Design

    Standards Referencing This Book - (Show below) - (Hide below)

    IEEE C37.90.1-2002 IEEE Standard Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power Apparatus
    IEEE C37.14-2015 REDLINE IEEE Standard for DC (3200 V and below) Power Circuit Breakers Used in Enclosures
    IEEE C37.90-2005 IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus
    IEEE C37.20.1-2015 REDLINE IEEE Standard for Metal-Enclosed Low-Voltage (1000 Vac and below, 3200 Vdc and below) Power Circuit Breaker Switchgear
    IEEE 241 : 1990 ELECTRIC POWER SYSTEMS IN COMMERCIAL BUILDINGS
    IEEE C37.100.1-2007 IEEE Standard of Common Requirements for High Voltage Power Switchgear Rated Above 1000 V
    IEEE C2-2002 National Electrical Safety Code 2002 Edition
    ASTM G 21 : 2015 : REDLINE Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi
    NEMA WC 70 : 2009 POWER CABLES RATED 2000 VOLTS OR LESS FOR THE DISTRIBUTION OF ELECTRICAL ENERGY
    IEEE C37.20.2-2015 IEEE Standard for Metal-Clad Switchgear
    NFPA 70B : 2016 RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE
    NEMA 250 : 2014 ENCLOSURES FOR ELECTRICAL EQUIPMENT (1000 VOLTS MAXIMUM)
    IEEE C37.2-1996 IEEE Standard Electrical Power System Device Function Numbers and Contact Designations
    IEEE C37.81-1989 IEEE Guide for Seismic Qualification of Class 1E Metal-Enclosed Power Switchgear Assemblies
    IEEE 4-2013 IEEE Standard for High-Voltage Testing Techniques
    IEEE 315 : 1975 GRAPHIC SYMBOLS FOR ELECTRICAL AND ELECTRONICS DIAGRAMS (INCLUDING REFERENCE DESIGNATION LETTERS)
    IEEE C37.20.3-2013 REDLINE IEEE Standard for Metal-Enclosed Interrupter Switchgear (1 kV-38 kV)
    IEEE 242-2001 IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems (IEEE Buff Book)
    NFPA 70E : 2018 ELECTRICAL SAFETY IN THE WORKPLACE
    IEEE 142 : 2007 GROUNDING OF INDUSTRIAL AND COMMERCIAL POWER SYSTEMS
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    IEEE C37.90.2:2004 WITHSTAND CAPABILITY OF RELAY SYSTEMS TO RADIATED ELECTROMAGNETIC INTERFERENCE FROM TRANSCEIVERS
    IEC 60439-1:1999+AMD1:2004 CSV Low-voltage switchgear and controlgear assemblies - Part 1: Type-tested and partially type-tested assemblies
    IEEE C37.24-2003 IEEE Guide for Evaluating the Effect of Solar Radiation on Outdoor Metal-Enclosed Switchgear
    IEEE C37.90-1989 IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus
    IEEE 693-2005 IEEE Recommended Practice for Seismic Design of Substations
    IEEE 141 : 1993 IEEE Recommended Practice for Electric Power Distribution for Industrial Plants
    IEEE C37.100-1992 IEEE Standard Definitions for Power Switchgear
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