IEEE 242-2001
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems (IEEE Buff Book)
04-19-2023
12-17-2001
Important note : All end users must be registered with an Account prior to user licenses being assigned.
Chapter 1 - First principles
1.1 Overview
1.2 Protection against abnormalities
1.3 Planning system protection
1.4 Preliminary design
1.5 Basic protective equipment
1.6 Special protection
1.7 Field follow-up
1.8 References
Chapter 2 - Short-circuit calculations
2.1 Introduction
2.2 Types of short-circuit currents
2.3 The nature of short-circuit currents
2.4 Protective device currents
2.5 Per-unit calculations
2.6 Short-circuit current calculation methods
2.7 Symmetrical components
2.8 Network interconnections
2.9 Calculation examples
2.10 Specialized faults for protection studies
2.11 References
2.12 Bibliography
Chapter 3 - Instrument transformers
3.1 Introduction
3.2 Current transformers (CTs)
3.3 Voltage (potential) transformers (VTs)
3.4 References
3.5 Bibliography
Chapter 4 - Selection and application of protective relays
4.1 General discussion of a protective system
4.2 Zones of protection
4.3 Fundamental operating principles
4.4 Functional description - application and principles
4.5 References
4.6 Bibliography
Chapter 5 - Low-voltage fuses
5.1 General discussion
5.2 Definitions
5.3 Documentation
5.4 Standard dimensions
5.5 Typical interrupting ratings
5.6 Achieving selectivity with fuses
5.7 Current-limiting characteristics
5.8 Special applications for low-voltage fuses
5.9 References
5.10 Bibliography
Chapter 6 - High-voltage fuses (1000 V through 169 kV)
6.1 Definitions
6.2 Fuse classification
6.3 Current-limiting and expulsion power fuse designs
6.4 Application of high-voltage fuses
6.5 References
6.6 Bibliography
Chapter 7 - Low-voltage circuit breakers
7.1 General
7.2 Ratings
7.3 Current limitation
7.4 Typical ratings
7.5 Trip unit
7.6 Application
7.7 Accessories
7.8 Conclusions
7.9 References
7.10 Bibliography
Chapter 8 - Ground-fault protection
8.1 General discussion
8.2 Types of systems relative to ground-fault protection
8.3 Nature, magnitudes, and damage of ground faults
8.4 Frequently used ground-fault protective schemes
8.5 Typical applications
8.6 Special applications
8.7 References
8.8 Bibliography
Chapter 9 - Conductor protection
9.1 General discussion
9.2 Cable protection
9.3 Definitions
9.4 Short-circuit current protection of cables
9.5 Overload protection of cables
9.6 Physical protection of cables
9.7 Code requirements for cable protection
9.8 Busway protection
9.9 References
9.10 Bibliography
Chapter 10 - Motor protection
10.1 General discussion
10.2 Factors to consider in protection of motors
10.3 Types of protection
10.4 Low-voltage motor protection
10.5 Medium-voltage motor protection
10.6 References
10.7 Bibliography
Chapter 11 - Transformer protection
11.1 General discussion
11.2 Need for protection
11.3 Objectives in transformer protection
11.4 Types of transformers
11.5 Preservation systems
11.6 Protective devices for liquid preservation systems
11.7 Thermal detection of abnormalities
11.8 Transformer primary protective device
11.9 Protecting the transformer from electrical disturbances
11.10 Protection from the environment
11.11 Conclusion
11.12 References
11.13 Bibliography
Chapter 12 - Generator protection
12.1 Introduction
12.2 Classification of generator applications
12.3 Short-circuit performance
12.4 Generator grounding
12.5 Protective devices
12.6 References
12.7 Bibliography
Chapter 13 - Bus and switchgear protection
13.1 General discussion
13.2 Types of buses and arrangements
13.3 Bus overcurrent protection
13.4 Medium- and high-voltage bus differential protection
13.5 Backup protection
13.6 Low-voltage bus conductor and switchgear protection
13.7 Voltage surge protection
13.8 Conclusion
13.9 References
13.10 Bibliography
Chapter 14 - Service supply-line protection
14.1 General discussion
14.2 Service requirements
14.3 System disturbances
14.4 Supply-line protection
14.5 Examples of supply-system protective schemes
14.6 References
14.7 Bibliography
Chapter 15 - Overcurrent coordination
15.1 General discussion
15.2 General considerations
15.3 Overcurrent protection guidelines
15.4 TCC plots
15.5 CTIs
15.6 Initial planning and data required for a coordination
study
15.7 Procedure
15.8 Ground-fault coordination on low-voltage systems
15.9 Phase-fault coordination on substation 600 V or less
15.10 References
15.11 Bibliography
Chapter 16 - Maintenance, testing, and calibration
16.1 Overview
16.2 Definitions
16.3 Safety of personnel
16.4 Safety provisions for maintenance operations
16.5 Frequency of maintenance operations
16.6 Maintenance of switchgear for voltages up to
1000 V ac and 1200 V dc
16.7 Maintenance of air-magnetic switchgear for voltages
above 1000 V ac and 1200 V dc
16.8 Maintenance of oil switchgear
16.9 Maintenance of vacuum circuit breaker switchgear
16.10 Maintenance of sulphur hexafluoride (SF[6]) circuit
breaker and load-interrupter switchgear
16.11 Diagnostic testing
16.12 Maintenance of auxiliary items
16.13 Maintenance of protective apparatus
16.14 Maintenance and testing of insulation
16.15 Maintenance of industrial moulded-case circuit
breakers (MCCBs)
16.16 References
16.17 Bibliography
Index
Provides a better understanding of the purpose for and techniques involved in the protection and coordination of industrial and commercial power systems.
| Committee |
Industrial & Commercial Power Systems Standar
|
| DocumentType |
Standard
|
| Pages |
752
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Withdrawn
|
| Supersedes |
| IEEE 141 : 1993 | IEEE Recommended Practice for Electric Power Distribution for Industrial Plants |
| IEEE 902-1998 | IEEE Guide for Maintenance, Operation, and Safety of Industrial and Commercial Power Systems (Yellow Book) |
| IEEE 142 : 2007 | GROUNDING OF INDUSTRIAL AND COMMERCIAL POWER SYSTEMS |
| IEEE 1653.3-2012 | IEEE Guide for Rail Transit Traction Power Systems Modeling |
| IEEE 741-2007 | IEEE Standard Criteria for the Protection of Class 1E Power Systems and Equipment in Nuclear Power Generating Stations |
| DD IEC/TS 61968-2:2011 | Application integration at electric utilities. System interfaces for distribution management Glossary |
| IEEE DRAFT C37.95 : D6 99 | DRAFT GUIDE FOR PROTECTIVE RELAYING OF UTILITY CONSUMER INTERCONNECTIONS |
| IEEE 1242-1999 | IEEE Guide for Specifying and Selecting Power, Control, and Special-Purpose Cable for Petroleum and Chemical Plants |
| IEEE 3001.11-2017 | IEEE Recommended Practice for Application of Controllers and Automation to Industrial and Commercial Power Systems |
| IEEE 3004.8-2016 | IEEE Recommended Practice for Motor Protection in Industrial and Commercial Power Systems |
| IEEE 3001.8-2013 | IEEE Recommended Practice for the Instrumentation and Metering of Industrial and Commercial Power Systems |
| CSA Z463 : 2013 | GUIDELINE ON MAINTENANCE OF ELECTRICAL SYSTEMS |
| IEEE C37.20.2-2015 | IEEE Standard for Metal-Clad Switchgear |
| IEEE 1584-2002 | IEEE Guide for Performing Arc Flash Hazard Calculations |
| NFPA 70B : 2016 | RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE |
| IEEE DRAFT 1147 : D8 2005 | GUIDE FOR THE REHABILITATION OF HYDROELECTRIC POWER PLANTS |
| IEEE C37.48.1-2002 | IEEE Guide for the Operation, Classification, Application, and Coordination of Current-Limiting Fuses with Rated Voltages 1-38kV |
| PIP ELCGL01 : 2013 | ELECTRICAL DESIGN CRITERIA |
| UFC 3-540-08 : 2017 | UNIFIED FACILITIES CRITERIA - UTILITY-SCALE RENEWABLE ENERGY SYSTEMS |
| UFC 4-510-01 : Change 2 | UNIFIED FACILITIES CRITERIA - DESIGN: MILITARY MEDICAL FACILITIES |
| UFC 3-550-07 : 2017 | UNIFIED FACILITIES CRITERIA - OPERATION AND MAINTENANCE (O&M;): EXTERIOR POWER DISTRIBUTION SYSTEMS |
| NFPA 70B:2023 | Standard for Electrical Equipment Maintenance |
| TM 5-811-1 : V19950228 | ARMY TECHNICAL MANUAL - ELECTRICAL POWER SUPPLY AND DISTRIBUTION |
| CSA C22.3 No. 61936-1 : 2008 : R2015 | POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES |
| IEEE C57.13.3-2014 | IEEE Guide for Grounding of Instrument Transformer Secondary Circuits and Cases |
| CSA C22.3 No. 61936-1 : 2008 | POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES |
| IEEE DRAFT C57.13.3 : D9 2005 | GUIDE FOR GROUNDING OF INSTRUMENT TRANSFORMER SECONDARY CIRCUITS AND CASES |
| NETA ATS : 2017 | ACCEPTANCE TESTING SPECIFICATIONS FOR ELECTRICAL POWER EQUIPMENT AND SYSTEMS |
| IEEE 3004.5-2014 | IEEE Recommended Practice for the Application of Low-Voltage Circuit Breakers in Industrial and Commercial Power Systems |
| IEEE C37.13-2015 | IEEE Standard for Low-Voltage AC Power Circuit Breakers Used in Enclosures |
| IEEE 45-7 : 2012 | RECOMMENDED PRACTICE FOR ELECTRICAL INSTALLATIONS ON SHIPBOARD - AC SWITCHBOARDS |
| NEMA ICS 14:2015 | Application Guide for Electric Fire Pump Controllers |
| ANSI/NEMA AB 3:2013 | Molded-Case Circuit Breakers and Their Application |
| IEEE 602 : 2007 | ELECTRIC SYSTEMS IN HEALTH CARE FACILITIES |
| IEEE DRAFT C37.91 : D7.0 2006 | PROTECTING POWER TRANSFORMERS |
| CSA C22.4 No. 1 : 2009(R2018) | OBJECTIVE-BASED INDUSTRIAL ELECTRICAL CODE |
| API 540 : 1999 : R2006 | ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS |
| API 14F : 2008 : R2013 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| IEC TS 61968-2:2011 | Application integration at electric utilities - System interfaces for distribution management - Part 2: Glossary |
| IEEE 1547.2 : 2008 | APPLICATION GUIDE FOR IEEE STD 1547[TM], IEEE STANDARD FOR INTERCONNECTING DISTRIBUTED RESOURCES WITH ELECTRIC POWER SYSTEMS |
| IEEE 1458-2005 | IEEE Recommended Practice for the Selection, Field Testing, and Life Expectancy of Molded Case Circuit Breakers for Industrial Applications |
| IEEE 1818-2017 | IEEE Guide for the Design of Low-Voltage Auxiliary Systems for Electric Power Substations |
| IEEE 3001.5-2013 | IEEE Recommended Practice for the Application of Power Distribution Apparatus in Industrial and Commercial Power Systems |
| IEEE C62.72-2007 | IEEE Guide for the Application of Surge Protective Devices for Low Voltage (1000 Volts or Less) AC Power Circuits |
| IEEE 3001.2:2017 | IEEE Recommended Practice for Evaluating the Electrical Service Requirements of Industrial and Commercial Power Systems |
| CSA C22.4 PACKAGE : 2009 | CONSISTS OF C22.4 NO. 1-09, OBJECTIVE-BASED INDUSTRIAL ELECTRICAL CODE AND C22.4 NO. 2-09, OBJECTIVE-BASED INDUSTRIAL ELECTRICAL CODE - SAFETY MANAGEMENT SYSTEM REQUIREMENTS |
| IEEE DRAFT 551 : D5 2005 | CALCULATING AC SHORT-CIRCUIT CURRENTS IN INDUSTRIAL AND COMMERCIAL POWER SYSTEMS |
| IEEE 1290-2015 | IEEE Guide for Motor-Operated Valve (MOV) Motor Application, Protection, Control, and Testing in Nuclear Power-Generating Stations |
| IEEE 3007.3-2012 | IEEE Recommended Practice for Electrical Safety in Industrial and Commercial Power Systems |
| IEEE C37.13.1-2006 | IEEE Standard for Definite Purpose Switching Devices for Use in Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear |
| ASCE T&DI 21 13 : 2013 | AUTOMATED PEOPLE MOVER STANDARDS |
| IEEE C37.230-2007 | IEEE Guide for Protective Relay Applications to Distribution Lines |
| IEEE 1792-2011 | IEEE Recommended Practice for Nuclear Power Generating Station (NPGS) Preferred Power Supply (PPS) Reliability |
| IEEE 3006.2-2016 | IEEE Recommended Practice for Evaluating the Reliability of Existing Industrial and Commercial Power Systems |
| ASCE T&DI 21.3 : 2008 | AUTOMATED PEOPLE MOVER STANDARDS - PART 3 |
| ABS 0057 : 2017 COR 2017 | GUIDE FOR THE CLASSIFICATION OF DRILLING SYSTEMS |
| API RP 14F:2008 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| API 540:1999 | ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS |
| IEEE 1147-2005 | IEEE Guide for the Rehabilitation of Hydroelectric Power Plants |
| IEEE 241 : 1990 | ELECTRIC POWER SYSTEMS IN COMMERCIAL BUILDINGS |
| IEEE C37.27-2008 REDLINE | IEEE Application Guide for Low-Voltage AC Power Circuit Breakers Applied with Separately-Mounted Current-Limiting Fuses |
| IEEE DRAFT 741 : D1 2006 | CRITERIA FOR THE PROTECTION OF CLASS 1E POWER SYSTEMS AND EQUIPMENT IN NUCLEAR POWER GENERATING STATIONS |
| ABS 0063 : 2018 COR 2018 | RULES FOR BUILDING AND CLASSING FACILITIES ON OFFSHORE INSTALLATIONS |
| IEEE DRAFT C37.96 : D5 99 | DRAFT GUIDE FOR AC MOTOR PROTECTION |
| IEEE 1349-2011 REDLINE | IEEE Guide for Application of Electric Motors in Class I, Division 2 and Class I, Zone 2 Hazardous (Classified) Locations |
| IEEE C37.95-2014 | IEEE Guide for Protective Relaying of Utility-Consumer Interconnections |
| IEEE 551 : 2006 | CALCULATING SHORT-CIRCUIT CURRENTS IN INDUSTRIAL AND COMMERCIAL POWER SYSTEMS |
| IEEE 2030.2-2015 | IEEE Guide for the Interoperability of Energy Storage Systems Integrated with the Electric Power Infrastructure |
| API 14FZ : 2013 | RECOMMENDED PRACTICE FOR DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, ZONE 0, ZONE 1, AND ZONE 2 LOCATIONS |
| API 14F REDLINE : 2008 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| IEEE C37.20.1-2015 | IEEE Standard for Metal-Enclosed Low-Voltage (1000 Vac and below, 3200 Vdc and below) Power Circuit Breaker Switchgear |
| IEEE C37.20.3-2013 REDLINE | IEEE Standard for Metal-Enclosed Interrupter Switchgear (1 kV-38 kV) |
| IEEE C37.21-2005 | IEEE Standard for Control Switchboards |
| PIP ELEGL03 : 2016 | GUIDELINES FOR POWER SYSTEMS ANALYSIS |
| NEMA ICS 14:2023 | Application Guide for Electric Fire Pump Controllers |
| IEC 60480:2004 | Guidelines for the checking and treatment of sulfur hexafluoride (SF<sub>6</sub>) taken from electrical equipment and specification for its re-use |
| IEEE C37.91-2008 REDLINE | IEEE Guide for Protecting Power Transformers |
| IEEE 519-2014 REDLINE | IEEE Recommended Practice and Requirements for Harmonic Control in Electric Power Systems |
| IEEE 1048-2003 | IEEE Guide for Protective Grounding of Power Lines |
| IEEE C37.108-2002 | IEEE Guide for the Protection of Network Transformers |
| IEEE 957 : 2005 | GUIDE FOR CLEANING INSULATORS |
| IEEE C37.102-2006 REDLINE | IEEE Guide for AC Generator Protection |
| IEEE C37.90-2005 | IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus |
| IEEE C37.20.1-2015 | IEEE Standard for Metal-Enclosed Low-Voltage (1000 Vac and below, 3200 Vdc and below) Power Circuit Breaker Switchgear |
| IEEE C37.46-2010 | FOR HIGH VOLTAGE EXPULSION AND CURRENT-LIMITING TYPE POWER CLASS FUSES AND FUSE DISCONNECTING SWITCHES |
| ANSI C37.16-2009 | LOW-VOLTAGE POWER CIRCUIT BREAKERS AND AC POWER CIRCUIT PROTECTORS - PREFERRED RATINGS, RELATED REQUIREMENTS, AND APPLICATION RECOMMENDATIONS |
| IEEE C37.95-2014 | IEEE Guide for Protective Relaying of Utility-Consumer Interconnections |
| IEEE 241 : 1990 | ELECTRIC POWER SYSTEMS IN COMMERCIAL BUILDINGS |
| NEMA SG 3 : 1995 | LOW-VOLTAGE POWER CIRCUIT BREAKERS |
| IEEE 32-1972 | IEEE Standard Requirements, Terminology, and Test Procedures for Neutral Grounding Devices |
| NEMA MG 1 : 2016 | MOTORS AND GENERATORS |
| NEMA ICS 1.3:1986 (R2001, R2009, R2015) | Preventive Maintenance of Industrial Control and Systems Equipment |
| IEEE C57.12.01-2015 REDLINE | IEEE Standard for General Requirements for Dry-Type Distribution and Power Transformers |
| IEEE 62-1995 | IEEE Guide for Diagnostic Field Testing of Electric Power Apparatus - Part 1: Oil Filled Power Transformers, Regulators, and Reactors |
| IEC 60947-4-1:2009+AMD1:2012 CSV | Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters |
| IEEE C37.17-2012 | TRIP DEVICES FOR AC AND GENERAL PURPOSE DC LOW VOLTAGE POWER CIRCUIT BREAKERS |
| NFPA 110 : 2016 | EMERGENCY AND STANDBY POWER SYSTEMS |
| NEMA MG 10:2017 | Energy Management Guide for Selection and Use of Fixed Frequency Medium AC Squirrel-Cage Polyphase Induction Motors |
| IEEE C37.42-2009 | SWITCHGEAR DISTRIBUTION CUTOUTS AND FUSE LINKS SPECIFICATIONS |
| ANSI C37.50 : 1989 | SWITCHGEAR - LOW VOLTAGE AC POWER CIRCUIT BREAKERS USED IN ENCLOSURES - TEST PROCEDURES |
| NEMA ICS 1.1-1984 (R1988, R1993, R1998, R2003, R2009, R2015) | Safety Guidelines for the Application, Installation and Maintenance of Solid State Control |
| API 546 : 2008 | BRUSHLESS SYNCHRONOUS MACHINES - 500 KVA AND LARGER |
| ASTM D 2029 : 1997 | Standard Test Methods for Water Vapor Content of Electrical Insulating Gases by Measurement of Dew Point |
| NEMA SG 2 : 1993 | HIGH VOLTAGE FUSES |
| UL 248-8:3ED 2011-05-13 | Low-Voltage Fuses - Part 8: Class J Fuses |
| IEEE 1106-2015 | IEEE Recommended Practice for Installation, Maintenance, Testing, and Replacement of Vented Nickel-Cadmium Batteries for Stationary Applications |
| IEEE C37.20.2-2015 | IEEE Standard for Metal-Clad Switchgear |
| ASTM E 849 : 1986 | Practice for Safety and Health Requirements Relating to Occupational Exposure to Asbestos (Withdrawn 1995) |
| NFPA 70B : 2016 | RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE |
| ANSI/NEMA WC 51/ICEA P-54-440:2009(R2014) | Ampacities of Cables Installed in Cable Trays |
| IEEE C57.12.00-2015 | IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers |
| IEEE C57.91-2011 REDLINE | IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators |
| IEEE 493 : 2007 | DESIGN OF RELIABLE INDUSTRIAL AND COMMERCIAL POWER SYSTEMS |
| WC 5-1992 | THERMOPLASTIC-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY |
| IEEE C57.96-2013 | IEEE Guide for Loading Dry-Type Distribution and Power Transformers |
| ANSI/NEMA PB 2.1:2013 | General Instructions for Proper Handling, Installation, Operation and Maintenance of Deadfront Distribution Switchboards Rated 600 Volts or Less |
| ICEA P 32 382 : 2007(R2018) | SHORT CIRCUIT CHARACTERISTICS OF INSULATED CABLES |
| ANSI C37.44 : 1981 | AMERICAN NATIONAL STANDARD SPECIFICATIONS FOR DISTRIBUTION OIL CUTOUTS AND FUSE LINKS |
| WC 4-1988/ICEA S-65-375 3rd Ed. (R1993) | VARNISHED-CLOTH-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY |
| IEEE C57.12.44-2014 | IEEE Standard Requirements for Secondary Network Protectors |
| NECA 400 : 2007 | INSTALLING AND MAINTAINING SWITCHBOARDS |
| IEEE C37.48-2005 | IEEE Guide for the Application, Operation, and Maintenance of High-Voltage Fuses, Distribution Enclosed Single-Pole Air Switches, Fuse Disconnecting Switches, and Accessories |
| IEEE 4-2013 | IEEE Standard for High-Voltage Testing Techniques |
| UL 857:13ED 2009-03-25 | Busways |
| IEEE C37.99-2012 | IEEE Guide for the Protection of Shunt Capacitor Banks |
| ISO/IEC Guide 51:2014 | Safety aspects — Guidelines for their inclusion in standards |
| AS/NZS 3000:2007 | Electrical installations (known as the Australian/New Zealand Wiring Rules) |
| NEMA BU 1:2002 | Busways |
| UL 248-3:2ED 2000-08-01 | Low-Voltage Fuses - Part 3: Class CA and CB Fuses |
| UL 248-12:3ED 2011-05-13 | Low-Voltage Fuses - Part 12: Class R Fuses |
| UL 248-11:3ED 2011-05-13 | Low-Voltage Fuses - Part 11: Plug Fuses |
| IEEE C37.20.3-2013 REDLINE | IEEE Standard for Metal-Enclosed Interrupter Switchgear (1 kV-38 kV) |
| NEMA SG 4:2009(R2013) | ALTERNATING CURRENT HIGH-VOLTAGE CIRCUIT BREAKERS |
| IEEE C57.104-2008 | IEEE Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers |
| IEEE C37.35-1995 | IEEE Guide for the Application, Installation, Operation, and Maintenance of High-Voltage Air Disconnecting and Interrupter Switches |
| IEEE C37.010-1999 | IEEE Application Guide for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis |
| IEEE 637-1985 | IEEE Guide for the Reclamation of Insulating Oil and Criteria for Its Use |
| IEC 60291:1969 | Fuse definitions |
| IEEE C37.13-2015 | IEEE Standard for Low-Voltage AC Power Circuit Breakers Used in Enclosures |
| IEEE 80-2013 REDLINE | IEEE Guide for Safety in AC Substation Grounding |
| ANSI C84.1 : 2016 | ELECTRIC POWER SYSTEMS AND EQUIPMENT - VOLTAGE RATINGS (60 HERTZ) |
| UL 248-4:2ED 2000-08-01 | Low-Voltage Fuses - Part 4: Class CC Fuses |
| IEEE C37.40-2003 | IEEE Standard Service Conditions and Definitions for High-Voltage Fuses, Distribution Enclosed Single-Pole Air Switches, Fuse Disconnecting Switches, and Accessories |
| IEEE C57.92-1981 | IEEE Guide for Loading Mineral-Oil-Immersed Power Transformers Up to and Including 100 MVA with 55 C or 65 C Average Winding Rise |
| NEMA PB 2.2:2014 | Application Guide for Ground-Fault Protective Devices for Equipment |
| NFPA 70E : 2018 | ELECTRICAL SAFETY IN THE WORKPLACE |
| IEEE C57.111 : 1989 | GUIDE FOR ACCEPTANCE OF SILICONE INSULATING FLUID AND ITS MAINTENANCE IN TRANSFORMERS |
| IEEE 142 : 2007 | GROUNDING OF INDUSTRIAL AND COMMERCIAL POWER SYSTEMS |
| IEEE C57.109-1993 | IEEE Guide for Liquid-Immersed Transformers Through-Fault-Current Duration |
| NFPA 70 : 2017 | NATIONAL ELECTRICAL CODE |
| UL 248-10:3ED 2011-05-13 | Low-Voltage Fuses - Part 10: Class L Fuses |
| ASTM D 2472 : 2015 : REDLINE | Standard Specification for Sulfur Hexafluoride |
| IEEE C37.09-1999 | IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis |
| ANSI/NEMA PB 1.1:2013 | General Instructions for Proper Installation, Operation and Maintenance of Panelboards Rated 600 V or Less |
| UL 248-9:2ED 2000-08-01 | Standard for Low-Voltage Fuses - Part 9: Class K Fuses |
| WC 3-1992 | RUBBER-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY |
| IEC 60900:2012 | Live working - Hand tools for use up to 1 000 V a.c. and 1 500 V d.c. |
| IEEE 1100 : 2005 | POWERING AND GROUNDING ELECTRONIC EQUIPMENT |
| AS 2467-2008 | Maintenance of electrical switchgear |
| ANSI/NEMA AB 3:2013 | Molded-Case Circuit Breakers and Their Application |
| IEEE C37.103-2015 | IEEE Guide for Differential and Polarizing Relay Circuit Testing |
| NEMA ICS 2.2 : 83(R1988) | MAINTENANCE OF MOTOR CONTROLLERS AFTER A FAULT CONDITION |
| IEEE 450-2010 REDLINE | IEEE Recommended Practice for Maintenance, Testing, and Replacement of Vented Lead-Acid Batteries for Stationary Applications |
| NEMA AB 4:2017 | Guidelines for Inspection and Preventive Maintenance of Molded-Case Circuit Breakers Used in Commercial and Industrial Applications |
| API STD 541 : 2014 | FORM-WOUND SQUIRREL CAGE INDUCTION MOTORS - 375 KW (500 HORSEPOWER) AND LARGER |
| IEEE C62.92.3-2012 | IEEE Guide for the Application of Neutral Grounding in Electrical Utility Systems, Part III -Generator Auxiliary Systems |
| UL 248-2:2ED 2000-08-01 | Low-Voltage Fuses - Part 2: Class C Fuses |
| IEEE C57.100-2011 | IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Liquid-Immersed Distribution and Power Transformers |
| NFPA 111 : 2016 | STORED ELECTRICAL ENERGY EMERGENCY AND STANDBY POWER SYSTEMS |
| NEMA ICS 2:2008 | Controllers, Contactors and Overload Relays Rated 600 V |
| IEC 60947-2:2016 | Low-voltage switchgear and controlgear - Part 2: Circuit-breakers |
| NEMA ICS 2.3 : 1995(R2008) | INDUSTRIAL CONTROL AND SYSTEMS: INSTRUCTIONS FOR THE HANDLING, INSTALLATION, OPERATION AND MAINTENANCE OF MOTOR CONTROL CENTERS |
| IEEE C57.94-1982 | IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type General Purpose Distribution and Power Transformers |
| IEEE C37.41-2008 REDLINE | IEEE Standard Design Tests for High-Voltage (>1000 V) Fuses, Fuse and Disconnecting Cutouts, Distribution Enclosed Single-Pole Air Switches, Fuse Disconnecting Switches, and Fuse Links and Accessories Used with These Devices |
| AS 2676.1-1992 | Guide to the installation, maintenance, testing and replacement of secondary batteries in buildings - Vented cells |
| NEMA AB 1 | Molded-Case Circuit Breakers, Molded Case Switches, and Circuit-Breaker Enclosures |
| IEEE 387-1995 | IEEE Standard Criteria for Diesel-Generator Units Applied as Standby Power Supplies for Nuclear Power Generating Stations |
| IEEE C37.04-1999 | IEEE Standard Rating Structure for AC High-Voltage Circuit Breakers |
| NEMA PE 5:1997(R2003) | Utility-Type Battery Chargers |
| NFPA 20 : 2016 | INSTALLATION OF STATIONARY PUMPS FOR FIRE PROTECTION |
| IEEE 141 : 1993 | IEEE Recommended Practice for Electric Power Distribution for Industrial Plants |
| IEEE C37.96-2012 | IEEE Guide for AC Motor Protection |
| IEEE C57.106-2006 | IEEE Guide for Acceptance and Maintenance of Insulating Oil in Equipment |
| UL 248-5:2ED 2000-08-01 | Low-Voltage Fuses - Part 5: Class G Fuses |
| IEEE C37.101-2006 REDLINE | IEEE Guide for Generator Ground Protection |
| IEEE C57.105-1978 | IEEE Guide for Application of Transformer Connections in Three-Phase Distribution Systems |
| IEEE C57.110-2008 REDLINE | IEEE Recommended Practice for Establishing Liquid-Filled and Dry-Type Power and Distribution Transformer Capability When Supplying Nonsinusoidal Load Currents |
| IEEE C37.47-2011 | DISTRIBUTION FUSE DISCONNECTING SWITCHES, FUSE SUPPORTS, AND CURRENT LIMITING FUSES, SPECIFICATIONS FOR (INCLUDES SUPPLEMENT ANSI C37.47A 1983), |
| WC 7-1988 | CROSS-LINKED-THERMOSETTING-POLYETHYLENE-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY |
| ANSI/ASSE Z244.1 : 2016 | THE CONTROL OF HAZARDOUS ENERGY LOCKOUT, TAGOUT AND ALTERNATIVE METHODS |
| IEEE C50.13-2014 | IEEE Standard for Cylindrical-Rotor 50 Hz and 60 Hz Synchronous Generators Rated 10 MVA and Above |
| IEEE C57.131-2012 | IEEE Standard Requirements for Tap Changers |
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Critical updates of standards and customisable alerts and notifications.
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Multi-user online standards collection: secure, flexible and cost effective.