Skip to content
Please enter a keyword to search

  • IEEE 241 : 1990

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    ELECTRIC POWER SYSTEMS IN COMMERCIAL BUILDINGS

    Available format(s): 

    Withdrawn date:  17-10-2023

    Language(s): 

    Published date:  18-09-1991

    Publisher:  Institute of Electrical & Electronics Engineers

    Sorry this product is not available in your region.

    Add To Cart

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

    1. Introduction
    2. Load Characteristics
    3. Voltage Considerations
    4. Power Sources and Distribution Systems
    5. Power Distribution Apparatus
    6. Controllers
    7. Services, Vaults, and Electrical Equipment Rooms
    8. Wiring Systems
    9. System Protection and Coordination
    10. Lighting
    11. Electric Space Conditioning
    12. Transportation
    13. Communication and Signal System Planning
    14. Facility Automation
    15. Expansion, Modernization, and Rehabilitation
    16. Special Requirements by Occupancy
    17. Electrical Energy Management

    Abstract - (Show below) - (Hide below)

    IEEE Std 241-1990, IEEE Recommended Practice for Electric Power Systems in Commercial Buildings, commonly known as the (Gray Book) is published by the Institute of Electrical and Electronics Engineers (IEEE) to provide a recommended practice for the electrical design of commercial buildings.

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

    Document Type Standard
    Publisher Institute of Electrical & Electronics Engineers
    Status Withdrawn

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

    IEEE 902-1998 IEEE Guide for Maintenance, Operation, and Safety of Industrial and Commercial Power Systems (Yellow Book)
    BS EN 60695-1-40:2014 Fire hazard testing Guidance for assessing the fire hazard of electrotechnical products. Insulating liquids
    UFC 3-501-01 : 2015 UNIFIED FACILITIES CRITERIA - ELECTRICAL ENGINEERING
    IEEE DRAFT C37.95 : D6 99 DRAFT GUIDE FOR PROTECTIVE RELAYING OF UTILITY CONSUMER INTERCONNECTIONS
    FIPS PUB 94 : 0 GUIDELINE ON ELECTRICAL POWER FOR ADP INSTALLATIONS
    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
    IEEE C37.20.2-2015 IEEE Standard for Metal-Clad Switchgear
    NFPA 70B : 2016 RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE
    IEC 60695-1-40:2013 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    IEEE 1827-2016 IEEE Guide for Electrical and Control Design of Hydroelectric Water Conveyance Facilities
    IEC TS 60695-1-40:2002 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    IEEE 3007.1 : 2010 RECOMMENDED PRACTICE FOR THE OPERATION AND MANAGEMENT OF INDUSTRIAL AND COMMERCIAL POWER SYSTEMS
    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 REDLINE IEEE Standard for Low-Voltage AC Power Circuit Breakers Used in Enclosures
    ANSI/NEMA AB 3:2013 Molded-Case Circuit Breakers and Their Application
    EEE 602 : 2007 ELECTRIC SYSTEMS IN HEALTH CARE FACILITIES
    IEEE 1100 : 2005 POWERING AND GROUNDING ELECTRONIC EQUIPMENT
    12/30269145 DC : 0 BS EN 60695-1-40 ED 1.0 - FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
    I.S. EN 60695-1-40:2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
    IEEE 1547.2 : 2008 APPLICATION GUIDE FOR IEEE STD 1547[TM], IEEE STANDARD FOR INTERCONNECTING DISTRIBUTED RESOURCES WITH ELECTRIC POWER SYSTEMS
    IEEE 3001.2-2017 IEEE Recommended Practice for Evaluating the Electrical Service Requirements of Industrial and Commercial Power Systems
    ANSI/PIMA IT7.100:1993 (R1999) AUDIOVISUAL SYSTEMS - RECOMMENDED PRACTICE FOR DETERMINING THE DESIGN OF TEACHING-LEARNING SPACES WHERE AUDIOVISUAL EQUIPMENT IS USED
    UNE-EN 60695-1-40:2014 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    IEEE DRAFT 551 : D5 2005 CALCULATING AC SHORT-CIRCUIT CURRENTS IN INDUSTRIAL AND COMMERCIAL POWER SYSTEMS
    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
    IEEE C37.121-2012 GUIDE FOR SWITCHGEAR - UNIT SUBSTATION - REQUIREMENTS
    IEEE C37.230-2007 IEEE Guide for Protective Relay Applications to Distribution Lines
    IEEE 242-2001 IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems (IEEE Buff Book)
    IEEE C37.27-2008 REDLINE IEEE Application Guide for Low-Voltage AC Power Circuit Breakers Applied with Separately-Mounted Current-Limiting Fuses
    CEI EN 60695-1-40 : 2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
    IEEE C37.121-2012 REDLINE IEEE Guide for Switchgear - Unit Substation - Requirements
    IEEE 551 : 2006 CALCULATING SHORT-CIRCUIT CURRENTS IN INDUSTRIAL AND COMMERCIAL POWER SYSTEMS
    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
    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
    EN 60695-1-40:2014 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids

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

    NEMA HP 100.4 : 1991(R2010) HIGH TEMPERATURE INSTRUMENTATION AND CONTROL CABLES INSULATED AND JACKETED WITH ECTFE FLUOROPOLYMERS
    IEEE 960 : 1993 FASTBUS MODULAR HIGH-SPEED DATA ACQUISITION AND CONTROL SYSTEM TOGETHER WITH 1177-1993 IEEE FASTBUS STANDARD ROUTINES
    IEEE C37.12-2008 SPECIFICATION GUIDE FOR AC HIGH-VOLTAGE CIRCUIT BREAKERS BASED ON A SYMMETRICAL CURRENT BASIS
    IEEE 519-2014 REDLINE IEEE Recommended Practice and Requirements for Harmonic Control in Electric Power Systems
    UL 268A:4ED 2008-12 Smoke Detectors for Duct Application
    NFPA 72B : 1986 INSTALLATION, MAINTENANCE, AND USE OF AUXILIARY PROTECTIVE SIGNALING SYSTEMS
    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 C37.46-2010 FOR HIGH VOLTAGE EXPULSION AND CURRENT-LIMITING TYPE POWER CLASS FUSES AND FUSE DISCONNECTING SWITCHES
    IEEE C57.12.59-2015 IEEE Guide for Dry-Type Transformer Through-Fault Current Duration
    IEEE 525-2007 IEEE Guide for the Design and Installation of Cable Systems in Substations
    IEEE 979-2012 IEEE Guide for Substation Fire Protection
    NEMA BU 1.1:2010 General Instructions for Handling, Installation, Operation and Maintenance of Busway Rated 600 V or Less
    IEEE C37.95-2014 IEEE Guide for Protective Relaying of Utility-Consumer Interconnections
    NFPA 19911 : 1991 FIRE PROTECTION OF MUSEUMS AND MUSEUM COLLECTIONS
    ANSI C37.5 : 1979 METHODS FOR DETERMINATION VALUES OF A SINUSOIDAL CURRENT WAVE, A NORMAL FREQUENCY RECOVERY VOLTAGE AND A GUIDE FOR CALCULATION OF FAULT CURRENT APPLICATION OF AC HIGH VOLTAGE CIRCUIT BREAKERS
    NFPA 75 : 2017 FIRE PROTECTION OF INFORMATION TECHNOLOGY EQUIPMENT
    NEMA MG 11 : 1977(R2012) ENERGY MANAGEMENT GUIDE FOR SELECTION AND USE OF SINGLE-PHASE MOTORS
    NEMA PB 1:2011 Panelboards
    IEEE C57.12.01-2015 REDLINE IEEE Standard for General Requirements for Dry-Type Distribution and Power Transformers
    ANSI C57.12.40 : 2011 AMERICAN NATIONAL STANDARD FOR SECONDARY NETWORK TRANSFORMERS - SUBWAY AND VAULT TYPES (LIQUID IMMERSED) - REQUIREMENTS
    NFPA 92A : 2009 SMOKE-CONTROL SYSTEMS UTILIZING BARRIERS AND PRESSURE DIFFERENCES
    UL 864:10ED 2014-12 Standard for Control Units and Accessories for Fire Alarm Systems
    NEMA SB4 : 1985 TRAINING MANUAL ON FIRE ALARM SYSTEMS
    IEEE C57.12.20-2011 TRANSFORMERS - STANDARD FOR OVERHEAD TYPE DISTRIBUTION TRANSFORMERS, 500 KVA AND SMALLER: HIGH VOLTAGE, 34500 VOLTS AND BELOW: LOW VOLTAGE, 7970/13800Y VOLTS AND BELOW
    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
    NEMA SG 6:2000 POWER SWITCHING EQUIPMENT
    IEEE C37.42-2009 SWITCHGEAR DISTRIBUTION CUTOUTS AND FUSE LINKS SPECIFICATIONS
    IEEE 386-2016 REDLINE IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
    UL 977:5ED 2012-04 Fused Power-Circuit Devices
    NEMA LA 1-2009 SURGE ARRESTERS
    IEEE 532-2007 REDLINE IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables
    NFPA 101 : 2018 LIFE SAFETY CODE
    NEMA SG 2 : 1993 HIGH VOLTAGE FUSES
    IEEE C37.20.2-2015 IEEE Standard for Metal-Clad Switchgear
    NEMA HP 100.2 : 1991(R2010) HIGH TEMPERATURE INSTRUMENTATION AND CONTROL CABLES INSULATED AND JACKETED WITH ETFE FLUOROPOLYMERS
    NFPA 70B : 2016 RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE
    NEMA 250 : 2014 ENCLOSURES FOR ELECTRICAL EQUIPMENT (1000 VOLTS MAXIMUM)
    NEMA ICS 6-1993 (R2006) Industrial Control and Systems: Enclosures
    UL 83:16ED 2017-07 Standard for Thermoplastic-Insulated Wires and Cables
    NFPA 90A : 2018 INSTALLATION OF AIR-CONDITIONING AND VENTILATING SYSTEMS
    IEEE 592-2007 REDLINE IEEE Standard for Exposed Semiconducting Shields on High-Voltage Cable Joints and Separable Connectors
    IEEE C57.12.00-2015 IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
    NEMA WC 55 : 1992(R1999) INSTRUMENTATION CABLES AND THERMOCOUPLE WIRE
    NEMA KS 1:2013 Heavy Duty Enclosed and Dead-Front Switches (600 Volts Maximum)
    ASME A90.1 : 2015 SAFETY STANDARD FOR BELT MANLIFTS
    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
    NFPA 110A : 1989 STORED ENERGY EMERGENCY AND STANDBY POWER SYSTEMS
    NEMA WC 57 : 2014 CONTROL, THERMOCOUPLE EXTENSION, AND INSTRUMENTATION CABLES
    NFPA 88A : 2015 PARKING STRUCTURES
    UL 1778:5ED 2014-06 Uninterruptible Power Systems
    WC 8:1988 ETHYLENE-PROPYLENE-RUBBER-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY
    NFPA 204M : 1991 SMOKE AND HEAT VENTING
    ICC A117.1 : 2009 ACCESSIBLE AND USABLE BUILDINGS AND FACILITIES
    ANSI C37.6 : 1971 SCHEDULE OF PREFERRED RATINGS FOR AC HIGH-VOLTAGE CIRCUIT BREAKERS RATED ON A TOTAL CURRENT BASIS
    NEMA HP 100.3 : 1991(R2010) HIGH TEMPERATURE INSTRUMENTATION AND CONTROL CABLES INSULATED AND JACKETED WITH CROSS-LINKED (THERMOSET) POLYOLEFIN (XLPO)
    NFPA 912 : 1993 FIRE PROTECTION IN PLACES OF WORSHIP
    UL 857:13ED 2009-03 Busways
    ANSI C12.1 : 2014 ELECTRIC METERS - CODE FOR ELECTRICITY METERING
    NEMA BU 1:2002 Busways
    NEMA ST 20:2014 Dry Type Transformers for General Applications
    NFPA 72E : 1990 AUTOMATIC FIRE DETECTORS
    NEMA HP 100:1991(R2010) High-Temperature Instrumentation and Control Cables
    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)
    IEEE C37.010-1999 IEEE Application Guide for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis
    IEEE C37.13-2015 REDLINE 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)
    MIL-HDBK-217 Revision F:1991 RELIABILITY PREDICTION OF ELECTRONIC EQUIPMENT
    NEMA PB 2.2:2014 Application Guide for Ground-Fault Protective Devices for Equipment
    NFPA 70E : 2018 ELECTRICAL SAFETY IN THE WORKPLACE
    NFPA 99 : 2018 HEALTH CARE FACILITIES CODE
    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
    IEEE C37.011-2011 REDLINE IEEE Guide for the Application of Transient Recovery Voltage for AC High-Voltage Circuit Breakers
    IEEE C37.06-2009 AC HIGH-VOLTAGE CIRCUIT BREAKERS RATED ON A SYMMETRICAL CURRENT BASIS - PREFERRED RATINGS AND RELATED REQUIRED CAPABILITIES
    IEEE C37.09-1999 IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis
    WC 3-1992 RUBBER-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY
    NEMA HP 100.1 : 1991(R2010) HIGH TEMPERATURE INSTRUMENTATION AND CONTROL CABLES INSULATED AND JACKETED WITH FEP FLUOROCARBONS
    NEMA HE 1 : 80(R1986) MANUAL FOR CALCULATING HEAT LOSS AND HEAT GAIN FOR ELECTRIC COMFORT CONDITIONING
    IEEE C37.012-2014 IEEE Guide for the Application of Capacitance Current Switching for AC High-Voltage Circuit Breakers Above 1000 V
    IES RP 1 : 2004 PRACTICE FOR OFFICE LIGHTING
    NEMA ICS 1 : 2000(R2015) INDUSTRIAL CONTROL AND SYSTEMS: GENERAL REQUIREMENTS
    IES LE 1 : 1995 VIEWS ON THE VISUAL ENVIRONMENT
    NFPA 72H : 1988 TESTING PROCEDURES FOR LOCAL, AUXILIARY, REMOTE STATION, AND PROPRIETARY PROTECTIVE SIGNALING SYSTEMS
    IEEE 404-2012 IEEE Standard for Extruded and Laminated Dielectric Shielded Cable Joints Rated 2.5 kV to 500 kV
    NFPA 72A : 1987 INSTALLATION, MAINTENANCE, AND USE OF LOCAL PROTECTIVE SIGNALING SYSTEMS
    UL 13:4ED 2015-03 Power-Limited Circuit Cables
    IEEE 980-2013 IEEE Guide for Containment and Control of Oil Spills in Substations
    NEMA PB 2:2011 Deadfront Distribution Switchboards
    NFPA 72D : 1986 INSTALLATION, MAINTENANCE, AND USE OF PROPRIETARY PROTECTIVE SIGNALING SYSTEMS
    IEEE 112-2004 IEEE Standard Test Procedure for Polyphase Induction Motors and Generators
    ANSI C92.2 : 1987 POWER-SYSTEMS-ALTERNATING-CURRENT ELECTRICAL SYSTEMS AND EQUIPMENT OPERATING AT VOLTAGES ABOVE 230 KILOVOLTS NOMINAL-PREFERRED VOLTAGE RATING,
    NFPA 88B : 1997 REPAIR GARAGES
    EEE 602 : 2007 ELECTRIC SYSTEMS IN HEALTH CARE FACILITIES
    UL 916:5ED 2015-10 Energy Management Equipment
    NEMA ICS 2:2008 Controllers, Contactors and Overload Relays Rated 600 V
    NFPA 72C : 1986 INSTALLATION, MAINTENANCE, AND USE OF REMOTE STATION PROTECTIVE SIGNALING SYSTEMS
    NFPA 37 : 2018 INSTALLATION AND USE OF STATIONARY COMBUSTION ENGINES AND GAS TURBINES
    IEEE C57.94-1982 IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type General Purpose Distribution and Power Transformers
    IEEE C37.30-1997 IEEE Standard Requirements for High Voltage Switches
    NEMA AB 1 Molded-Case Circuit Breakers, Molded Case Switches, and Circuit-Breaker Enclosures
    IEEE 400-2012 REDLINE IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable Systems Rated 5 kV and Above
    NFPA 72F : 1985 INSTALLATION, MAINTENANCE, AND USE OF EMERGENCY VOICE/ALARM COMMUNICATION SYSTEMS
    IEEE C37.04-1999 IEEE Standard Rating Structure for AC High-Voltage Circuit Breakers
    NFPA 72G : 1989 INSTALLATION, MAINTENANCE, AND USE OF NOTIFICATION APPLIANCES FOR PROTECTIVE SIGNALING SYSTEMS
    IEEE 575-2014 IEEE Guide for Bonding Shields and Sheaths of Single-Conductor Power Cables Rated 5 kV through 500 kV
    ASME A17.4 : 2015 GUIDE FOR EMERGENCY PERSONNEL (INCLUDES EVACUATION PROCEDURES AND FIREFIGHTERS SERVICE OPERATING PROCEDURES)
    NFPA 20 : 2016 INSTALLATION OF STATIONARY PUMPS FOR FIRE PROTECTION
    IEEE 693-2005 IEEE Recommended Practice for Seismic Design of Substations
    IEEE 141 : 1993 IEEE Recommended Practice for Electric Power Distribution for Industrial Plants
    ASHRAE 114 : 0 ENERGY MANAGEMENT CONTROL SYSTEMS INSTRUMENTATION
    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
    ISA RP60.8 : 1978 ELECTRICAL GUIDE FOR CONTROL CENTERS
    NEMA WC 50-1976/ICEA P-53-426 Second Edition (R1993, R1999) AMPACITIES INCLUDING EFFECT OF SHIELD LOSSES FOR SINGLE-CONDUCTOR SOLID-DIELECTRIC POWER CABLE, 15 KV THROUGH 69 KV (COPPER AND ALUMINUM CONDUCTORS)
    WC 7-1988 CROSS-LINKED-THERMOSETTING-POLYETHYLENE-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective