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Power and Energy Standards

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C37.20.3-2013 - Metal-Enclosed Interrupter Switchgear (1 kV–38 kV)Metal-enclosed interrupter (MEI) switchgear assemblies containing, but not limited to, such devices as interrupter switches; selector switches;... Active Standard
C37.20.4-1996 - Trial-Use Indoor AC Switches (1 kV-38 kV) for Use in Metal-Enclosed SwitchgearIndoor ac medium-voltage switches for use in enclosures for application in power circuits at voltages above 1 kV through 38 kV are covered. These... Superseded Standard
C37.20.4-2001 - Indoor AC Switches (1 kV - 38 kV) for Use in Metal-Enclosed SwitchgearIndoor AC medium-voltage switches for use in enclosures for application in power circuits at voltages above 1 kV through 38 kV are covered. These... Superseded Standard
C37.20.4-2013 - Indoor AC Switches (1 kV to 38 kV) for Use in Metal-Enclosed SwitchgearIndoor ac medium-voltage switches for use in enclosures for application in power circuits at voltages above 1 kV through 38 kV are covered in this... Active Standard
C37.20.6-1997 - 4.76 kV to 38 kV Rated Grounding and Testing Devices Used in EnclosuresDrawout type grounding and testing (G&T) devices for use in medium-voltage metal-clad switchgear rated above 4.76 kV through 38 kV are covered... Superseded Standard
C37.20.6-2007 - 4.76 kV to 38 kV Rated Ground and Test Devices Used in EnclosuresDrawout-type ground and test devices for use in medium-voltage metal-clad switchgear rated 4.76 kV through 38 kV are covered. The description,... Superseded Standard
C37.20.6-2015 - 4.76 kV to 38 kV Rated Ground and Test Devices Used in EnclosuresDrawout-type ground and test devices for use in medium-voltage metal-clad switchgear rated 4.76 kV through 38 kV are covered. The description,... Active Standard
C37.20.7-2001 - Guide for Testing Medium-Voltage Metal-Enclosed Switchgear for Internal Arcing FaultsA procedure for testing, evaluating the performance of medium-voltage metal-enclosed switchgear for internal arcing faults is covered in this... Superseded Standard
C37.20.7-2007 - Guide for Testing Metal-Enclosed Switchgear Rated Up to 38 kV for Internal Arcing FaultsRevision of IEEE Std C37.20.7-2001. A procedure for testing and evaluating the performance of metal-enclosed switchgear for internal arcing faults... Active Standard
C37.20.7-2007/Cor 1-2010 - Guide for Testing Metal-Enclosed Switchgear Rated up to 38 kV for Internal Arcing Faults Corrigendum 1This corrigendum corrects technical errors found in IEEE Std C37.20.7-2007 during use in laboratories concerning current values and arc initiation... Active Standard
C37.21-1985 - Control SwitchboardsThe standard outlined, draft ANSI/IEEE C37.21-1985, covers ratings, construction, and testing of dead-front control switchboards containing but... Superseded Standard
C37.21-2005 - Control SwitchboardsThis standard covers ratings, construction, and testing of dead-front control switchboards containing, but not limited to, devices such as... Active Standard
C37.22-2003 - American National Standard Preferred Ratings and Related Required Capabilities for Indoor AC Medium-Voltage Switches Used in Metal-Enclosed SwitchgearThis standard provides preferred ratings for indoor AC medium-voltage switches used in metal-enclosed switchgear. Superseded Standard
C37.23-1969 - ANSI/Guide for Calculating Losses in Isolated Phase BusOver the years, the isolated-phase bus has received widespread application in connecting the output of generators to step-up transformers. The... Superseded Standard
C37.23-1987 - Guide for Metal-Enclosed Bus and Calculating Losses in Isolated-Phase BusAssemblies of metal-enclosed conductors along with associated interconnections, enclosures and supporting structures are considered. When switches... Superseded Standard
C37.23-2003 - Metal-Enclosed BusMetal-enclosed (ME) bus assemblies for indoor and outdoor use are covered in this standard. The types of assemblies covered are nonsegregated... Superseded Standard
C37.23-2015 - Metal-Enclosed BusMetal-enclosed (ME) bus assemblies for indoor and outdoor use are discussed in this standard. The types of assemblies covered are nonsegregated... Active Standard
C37.24-1986 - Guide for Evaluating the Effect of Solar Radiation on Outdoor Metal-Enclosed SwitchgearSuperseded by C37.24-2003. This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. This standard... Superseded Standard
C37.24-2003 - Guide for Evaluating the Effect of Solar Radiation on Outdoor Metal-Enclosed SwitchgearThis guide provides information to assist in evaluating the effect of solar radiation on outdoor metal-enclosed switchgear including metal... Active Standard
C37.26-1972 - Standard Guide for Methods of Power-Factor Measurement for Low-Voltage Inductive Test CircuitsMethods used to measure the power factor in low-voltage test circuits are covered. Since the power factor measurement for high-capacity test... Superseded Standard
C37.26-2003 - Guide for Methods of Power-Factor Measurement for Low-Voltage Inductive Test CircuitsThis guide provides methods for determining the value of power factor for inductive lowvoltage (1000 volts ac and below) test circuits. These... Superseded Standard
C37.26-2014 - Guide for Methods of Power-Factor Measurement for Low-Voltage (1000 V AC or lower) Inductive Test CircuitsMethods for determining the value of the power factor for inductive low-voltage (1000 V ac and lower) test circuits are provided. These methods... Active Standard
C37.27-1987 - Standard Application Guide for Low-Voltage AC Nonintegrally Fused Power Circuit Breakers (Using Separately Mounted Current-Limiting Fuses)The guide applies to LV power circuit breakers of the 600 V insulation class with separately mounted current-limiting fuses for use on AC circuits... Superseded Standard
C37.27-2008 - Application Guide for Low-Voltage AC Power Circuit Breakers Applied with Separately-Mounted Current-Limiting FusesInformation to assist in selection of current-limiting fuses for use with low-voltage ac power circuit breakers with separately mounted current... Superseded Standard
C37.27-2015 - Guide for Low-Voltage AC (635 V and below) Power Circuit Breakers Applied with Separately-Mounted Current-Limiting FusesApplication recommendations to assist in selection of separately mounted current-limiting fuses to be installed in series with low-voltage ac... Active Standard
C37.29-1981 - Low-Voltage AC Power Circuit Protectors Used in EnclosuresThis standard covers enclosed low-voltage ac power circuit protectors that are manually operated or power operated. Addressed are circuit... Withdrawn Standard
C37.30-1971 - American National Standard Definitions and Requirements for High-Voltage Air Switches, Insulators, and Bus SupportsSuperseded. Required ratings and constructional requirements for switches above 1000 V are described. Superseded Standard
C37.30-1992 - Standard Requirements for High Voltage Air SwitchesIn this standard, requirements for all high-voltage enclosed indoor or outdoor and nonenclosed indoor or outdoor air switches rated in excess of... Superseded Standard
C37.30-1997 - Standard Requirements for High Voltage SwitchesRequired ratings and constructional requirements for switches above 1000 V are described. Superseded Standard
C37.30.1-2011 - Standard Requirements for AC High-Voltage Air Switches Rated Above 1000 VRequired ratings, construction requirements, design test requirements, applications, and suggested practices for all high-voltage enclosed indoor... Active Standard
C37.30.2-2015 - Guide for Wind-Loading Evaluation of High-Voltage (>1000 V) Air-Break SwitchesEvaluation methods and application considerations for high-voltage (>1000 V) switches, as covered in IEEE Std C37.30.1, under wind-loading... Active Standard
C37.30h-1978 - Allowable Short-Circuit Temperatures for Air SwitchesNo abstract. Keywords: C37.30h, definitions, high-voltage, air switches, insulators, bus supports, short-circuit, temperatures. Superseded Standard
C37.34-1994 - Standard Test Code for High-Voltage Air SwitchesIn this IEEE Standard design test requirements for all high-voltage enclosed indoor and outdoor and non enclosed indoor and outdoor air switches... Superseded Standard
C37.34a-1978 - Standard Test Code for High-Voltage Air Switches, Corona Tests Supplement to ANSI/IEEE C37.34-1971Air switches do not have a radio-influence rating requirement, however, the proposed standards establish a definition of corona, develop the... Superseded Standard
C37.34d-1984 - Standard Test Code for High-Voltage Air Switches, Mechanical Operations TestIncluded in C37.34-1971 (R1992) . Procedures for corona testing of non-enclosed and enclosed switches with a rated maximum voltage of 121 kV and... Superseded Standard
C37.34e-1979 - Standard Test Code for High-Voltage Air Switches, Switching-Impulse Testing of Extra-High-Voltage SwitchesIEEE C37.34e-1979, Switching Impulse Testing of Extra-High-Voltage Switches, Supplement to ANSI/IEEE C37.34-1971, IEEE Standard Test Code for High... Superseded Standard