• IEEE 525-2007

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    IEEE Guide for the Design and Installation of Cable Systems in Substations

    Available format(s):  PDF

    Superseded date:  07-08-2021

    Language(s):  English

    Published date:  02-04-2008

    Publisher:  Institute of Electrical & Electronics Engineers

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

    1. Overview
    2. Normative references
    3. Definitions, acronyms, and abbreviations
    4. Control and instrumentation cable
    5. Metallic communication cables
    6. Fiber-optic cable
    7. Low-voltage power cable (ac and dc <= 1 kV)
    8. Medium-voltage power cable (1 kV to 35 kV)
    Annex A (informative) - Flowchart
    Annex B (normative) - Service conditions for
            cables
    Annex C (normative) - Control and power cable
            selection
    Annex D (informative) - Design checklist for metallic
            communication cables entering a substation
    Annex E (normative) - Cable raceway design
    Annex F (normative) - Routing
    Annex G (normative) - Transient protection of instrumentation,
            control, and power cable
    Annex H (normative) - Electrical segregation
    Annex I (normative) - Separation of redundant cables
    Annex J (normative) - Cable-pulling tension calculations
    Annex K (normative) - Handling
    Annex L (normative) - Installation
    Annex M (normative) - Acceptance testing
    Annex N (normative) - Recommended maintenance and
            inspection
    Annex O (informative) - Example for small substation
    Annex P (informative) - Example for large substation
    Annex Q (informative) - Fiber-optic cables
    Annex R (informative) - Bibliography

    Abstract - (Show below) - (Hide below)

    Defines a guide for the design, installation, and protection of insulated wire and cable systems in substations with the objective of helping to minimize cable failures and their consequences.

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

    Committee Substations
    Development Note Supersedes IEEE DRAFT 525. (04/2008)
    Document Type Standard
    Publisher Institute of Electrical & Electronics Engineers
    Status Superseded
    Superseded By
    Supersedes

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

    IEEE 141 : 1993 IEEE Recommended Practice for Electric Power Distribution for Industrial Plants
    IEEE 487.3-2014 IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Through the Use of Hybrid Facilities
    IEEE 690-2004 IEEE Standard for the Design and Installation of Cable Systems for Class 1E Circuits in Nuclear Power Generating Stations
    IEEE 1268-2005 IEEE Guide for Safety in the Installation of Mobile Substation Equipment
    IEEE DRAFT C62.22 : D8 2005 GUIDE FOR THE APPLICATION OF METAL-OXIDE SURGE ARRESTERS FOR ALTERNATING-CURRENT SYSTEMS
    IEEE 1242-1999 IEEE Guide for Specifying and Selecting Power, Control, and Special-Purpose Cable for Petroleum and Chemical Plants
    IEEE DRAFT C37.99 : D6 99 DRAFT GUIDE FOR THE PROTECTION OF SHUNT CAPACITOR BANKS
    TM 5-811-1 : V19950228 ARMY TECHNICAL MANUAL - ELECTRICAL POWER SUPPLY AND DISTRIBUTION
    IEEE C57.13.3-2014 REDLINE IEEE Guide for Grounding of Instrument Transformer Secondary Circuits and Cases
    IEEE DRAFT 80 : D14 JUN 99 DRAFT GUIDE FOR SAFETY IN AC SUBSTATION GROUNDING
    IEEE DRAFT C57.13.3 : D9 2005 GUIDE FOR GROUNDING OF INSTRUMENT TRANSFORMER SECONDARY CIRCUITS AND CASES
    IEEE 1268-2016 REDLINE IEEE Guide for Safety in the Installation of Mobile Substation Equipment
    IEEE C62.23-1995 IEEE Application Guide for Surge Protection of Electric Generating Plants
    IEEE 487.2-2013 IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations through the Use of Optical Fiber Systems
    IEEE C37.92-2005 IEEE Standard for Analog Inputs to Protective Relays From Electronic Voltage and Current Transducers
    PD IEC/TR 62511:2014 Guidelines for the design of interconnected power systems
    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 3001.2-2017 IEEE Recommended Practice for Evaluating the Electrical Service Requirements of Industrial and Commercial Power Systems
    IEEE 532-2007 REDLINE IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables
    IEEE 979-2012 IEEE Guide for Substation Fire Protection
    IEEE C37.123-1996 IEEE Guide to Specifications for Gas-Insulated, Electric Power Substation Equipment
    IEEE 1185-2010 IEEE Recommended Practice for Cable Installation in Generating Stations and Industrial Facilities
    IEEE 241 : 1990 ELECTRIC POWER SYSTEMS IN COMMERCIAL BUILDINGS
    IEC TR 62511:2014 Guidelines for the design of interconnected power systems
    IEEE C37.242-2013 IEEE Guide for Synchronization, Calibration, Testing, and Installation of Phasor Measurement Units (PMUs) for Power System Protection and Control
    IEEE C37.11-2014 IEEE Standard Requirements for Electrical Control for AC High-Voltage (>1000 V) Circuit Breakers
    IEEE 422-2012 IEEE Guide for the Design of Cable Raceway Systems for Electric Generating Facilities
    IEEE C37.99-2012 IEEE Guide for the Protection of Shunt Capacitor Banks
    IEEE DRAFT 1050 : 0 INSTRUMENTATION AND CONTROL EQUIPMENT GROUNDING IN GENERATING STATIONS
    IEEE C57.143-2012 IEEE Guide for Application for Monitoring Equipment to Liquid-Immersed Transformers and Components
    IEEE 80-2013 IEEE Guide for Safety in AC Substation Grounding
    IEEE 2030.100-2017 IEEE Recommended Practice for Implementing an IEC 61850-Based Substation Communications, Protection, Monitoring, and Control System
    IEEE 789-2013 IEEE Standard Performance Requirements for Communications and Control Cables for Application in High-Voltage Environments
    IEEE 1143-2012 IEEE Guide on Shielding Practice for Low Voltage Cables
    IEEE C37.1-2007 REDLINE IEEE Standard for SCADA and Automation Systems
    IEEE C37.123-2016 IEEE Guide for Specifications for High-Voltage Gas-Insulated Substations Rated 52 kV and Above

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

    IEC 60287-1-3:2002 Electric cables - Calculation of the current rating - Part 1-3: Current rating equations (100 % load factor) and calculation of losses - Current sharing between parallel single-core cables and calculation of circulating current losses
    IEC 61076-1:2006 Connectors for electronic equipment - Product requirements - Part 1: Generic specification
    IEC 60287-1-2:1993 Electric cables - Calculation of the current rating - Part 1: Current rating equations (100 % load factor) and calculations of losses - Section 2: Sheath eddy current loss factors for two circuits in flat formation
    IEEE 848-2015 IEEE Standard Procedure for the Determination of the Ampacity Derating Factor for Fire-Protected Cable Systems
    TIA/EIA 568-1 : D2015 COMMERCIAL BUILDING TELECOMMUNICATIONS CABLING STANDARD - PART 1: GENERAL REQUIREMENTS
    IEC 60245-2:1994+AMD1:1997+AMD2:1997 CSV Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 2: Test methods
    IEC 60245-1:2003+AMD1:2007 CSV Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 1: General requirements
    IEC 60227-6:2001 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 6: Lift cables and cables for flexible connections
    IEEE 1202-2006 IEEE Standard for Flame-Propagation Testing of Wire & Cable
    IEC 60654-4:1987 Operating conditions for industrial-process measurement and control equipment. Part 4: Corrosive and erosive influences
    IEC 60227-4:1992+AMD1:1997 CSV Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 4: Sheathed cables for fixed wiring
    IEC 60332-3-25:2000+AMD1:2008 CSV Tests on electric and optical fibre cables under fire conditions - Part 3-25: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category D
    NEMA WC 74 : 2012 5-46 KV SHIELDED POWER CABLE FOR USE IN THE TRANSMISSION AND DISTRIBUTION OF ELECTRIC ENERGY
    IEEE 979-2012 IEEE Guide for Substation Fire Protection
    IEEE 1591.1-2012 IEEE Standard for Testing and Performance of Hardware for Optical Ground Wire (OPGW)
    IEC 60228:2004 Conductors of insulated cables
    IEEE 1615-2007 IEEE Recommended Practice for Network Communication in Electric Power Substations
    IEC 60227-7:1995+AMD1:2003+AMD2:2011 CSV Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 7: Flexible cables screened and unscreened with two or more conductors
    IEC 60807-3:1990 Rectangular connectors for frequencies below 3 MHz - Part 3: Detail specification for a range of connectors with trapezoidal shaped metal shells and round contacts - Removable crimp contact types with closed crimp barrels, rear insertion/rear extraction
    TIA 1152 : A2016 REQUIREMENTS FOR FIELD TEST INSTRUMENTS AND MEASUREMENTS FOR BALANCED TWISTED-PAIR CABLING
    IEC 60793-2-10:2017 Optical fibres - Part 2-10: Product specifications - Sectional specification for category A1 multimode fibres
    NEMA FB 2.20 : 2014 SELECTION AND INSTALLATION GUIDELINES FOR FITTINGS FOR USE WITH FLEXIBLE ELECTRICAL CONDUIT AND CABLE
    IEC 60287-2-2:1995 Electric cables - Calculation of the current rating - Part 2: Thermal resistance - Section 2: A method for calculating reduction factors for groups of cables in free air, protected from solar radiation
    IEEE 487-2015 IEEE Standard for the Electrical Protection of Communications Facilities Serving Electric Supply Locations -- General Considerations
    MIL-PRF-39012 Revision F:2014 CONNECTORS, COAXIAL, RADIO FREQUENCY, GENERAL SPECIFICATION FOR
    IEC 60245-6:1994 Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 6: Arc welding electrode cables
    IEC 61000-4-4 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST
    IEEE 487.5-2013 IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Through the Use of Isolation Transformers
    IEC 61000-4-1:2006 Electromagnetic compatibility (EMC) - Part 4-1: Testing and measurement techniques - Overview of IEC 61000-4 series
    IEC TR 62362:2010 Selection of optical fibre cable specifications relative to mechanical, ingress, climatic or electromagnetic characteristics - Guidance
    IEC 60287-2-1:2015 RLV Electric cables - Calculation of the current rating - Part 2-1: Thermal resistance - Calculation of thermal resistance
    ICEA T 29 520 : 1986 CONDUCTING VERTICAL CABLE TRAY FLAME TESTS WITH THEORETICAL HEAT INPUT RATE OF 210,000 B.T.U./HOUR
    NEMA WC 70 : 2009 POWER CABLES RATED 2000 VOLTS OR LESS FOR THE DISTRIBUTION OF ELECTRICAL ENERGY
    IEEE 81-2012 IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System
    NEMA TC 6&8 : 2013 POLYVINYL CHLORIDE (PVC) PLASTIC UTILITIES DUCT FOR UNDERGROUND INSTALLATIONS
    IEC 60332-3-23:2000+AMD1:2008 CSV Tests on electric and optical fibre cables under fire conditions - Part 3-23: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category B
    IEC 60304:1982 Standard colours for insulation for low-frequency cables and wires
    IEC 60245-5:1994 Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 5: Lift cables
    ISO/IEC 24702:2006 Information technology Generic cabling Industrial premises
    IEEE 1594-2008 IEEE Standard for Helically Applied Fiber Optic Cable Systems (Wrap Cable) for Use on Overhead Utility Lines
    NEMA TC 9 : 2004(R2012) FITTINGS FOR POLYVINYL CHLORIDE (PVC) PLASTIC UTILITIES DUCT FOR UNDERGROUND INSTALLATION
    IEEE 532-2007 REDLINE IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables
    IEEE C57.13.3-2014 REDLINE IEEE Guide for Grounding of Instrument Transformer Secondary Circuits and Cases
    IEC 60227-3:1993+AMD1:1997 CSV Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 3: Non-sheathed cables for fixed wiring
    TIA 95 : B1999(R2004) MOBILE STATION-BASE STATION COMPATIBILITY STANDARD FOR WIDEBAND SPREAD SPECTRUM CELLULAR SYSTEMS
    IEC 60332-1-3:2004+AMD1:2015 CSV Tests on electric and optical fibre cables under fire conditions - Part 1-3: Test for vertical flame propagation for a single insulatedwire or cable - Procedure for determination of flamingdroplets/particles
    IEEE 802.3-2012 IEEE Standard for Ethernet
    NEMA FB 2.10 : 2013 SELECTION AND INSTALLATION GUIDELINES FOR FITTINGS FOR USE WITH NON-FLEXIBLE METALLIC CONDUIT OR TUBING (RIGID METAL CONDUIT, INTERMEDIATE METAL CONDUIT, AND ELECTRICAL METALLIC TUBING)
    TIA/EIA 568-2 : C2009 AMD 1 2016 COMMERCIAL BUILDING TELECOMMUNICATIONS CABLING STANDARD - PART 2: BALANCED TWISTED-PAIR TELECOMMUNICATIONS CABLING AND COMPONENTS STANDARDS
    ISO/IEC 11801:2002 Information technology Generic cabling for customer premises
    IEEE 575-1988 IEEE Guide for Application of Sheath-Bonding Methods for Single-Conductor Cables and the Calculation of Induced Voltages and Currents in Cable Sheaths
    ANSI/NEMA WC 51/ICEA P-54-440:2009(R2014) Ampacities of Cables Installed in Cable Trays
    UL 83:16ED 2017-07 Standard for Thermoplastic-Insulated Wires and Cables
    IEC 60332-2-2:2004 Tests on electric and optical fibre cables under fire conditions - Part 2-2: Test for vertical flame propagation for a single small insulated wire or cable - Procedure for diffusion flame
    IEC 61000-4-4:2012 RLV Electromagnetic compatibility (EMC) - Part 4-4: Testing and measurement techniques - Electrical fast transient/burst immunity test
    MIL C 24308 : C CONNECTORS, ELECTRIC, RECTANGULAR, NON-ENVIRONMENTAL, MINIATURE, POLARIZED SHELL, RACK AND PANEL, GENERAL SPECIFICATION FOR
    IEEE 1222-2011 IEEE Standard for Testing and Performance for All-Dielectric Self-Supporting (ADSS) Fiber Optic Cable for Use on Electric Utility Power Lines
    IEEE C37.236-2013 IEEE Guide for Power System Protective Relay Applications Over Digital Communication Channels
    IEC 60227-2:1997+AMD1:2003 CSV Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 2: Test methods
    IEEE 487.4-2013 IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Through the Use of Neutralizing Transformers
    TIA TSB 185 : 2009 ENVIRONMENTAL CLASSIFICATION (MICE) TUTORIAL
    TIA 1005 : A2012 ADD 1 2015 TELECOMMUNICATIONS INFRASTRUCTURE STANDARD FOR INDUSTRIAL PREMISES
    NEMA WC 57 : 2014 CONTROL, THERMOCOUPLE EXTENSION, AND INSTRUMENTATION CABLES
    TIA TSB 155 : A2010(R2014) GUIDELINES FOR THE ASSESSMENT AND MITIGATION OF INSTALLED CATEGORY 6 CABLING TO SUPPORT 10 G BASE-T
    GR 409 CORE : ISSUE 2 GENERIC REQUIREMENTS FOR INDOOR FIBER OPTIC CABLE
    IEEE 82 : 2002 TEST PROCEDURE FOR IMPULSE VOLTAGE TESTS ON INSULATED CONDUCTORS
    TIA 569 : D2015 AMD 1 2016 TELECOMMUNICATIONS PATHWAYS AND SPACES
    IEC 60332-1-1:2004+AMD1:2015 CSV Tests on electric and optical fibre cables under fire conditions - Part 1-1: Test for vertical flame propagation for a single insulatedwire or cable - Apparatus
    IEC 60332-3-24:2000+AMD1:2008 CSV Tests on electric and optical fibre cables under fire conditions - Part 3-24: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C
    NEMA VE 2 : 2013 CABLE TRAY INSTALLATION GUIDELINES
    IEC 60227-1:2007 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 1: General requirements
    IEC 60332-1-2:2004+AMD1:2015 CSV Tests on electric and optical fibre cables under fire conditions - Part 1-2: Test for vertical flame propagation for a single insulatedwire or cable - Procedure for 1 kW pre-mixed flame
    IEC 60694:1996+AMD1:2000+AMD2:2001 CSV Common specifications for high-voltage switchgear and controlgear standards
    IEEE 487.3-2014 IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Through the Use of Hybrid Facilities
    NEMA FG 1:1993 FIBERGLASS CABLE TRAY SYSTEMS
    IEEE 835-1994 IEEE Standard Power Cable Ampacity Tables
    IEEE C37.99-2012 IEEE Guide for the Protection of Shunt Capacitor Banks
    ISO/IEC TR 24750:2007 Information technology Assessment and mitigation of installed balanced cabling channels in order to support of 10GBASE-T
    GR 20 CORE : ISSUE 4 GENERIC REQUIREMENTS FOR OPTICAL FIBER AND OPTICAL FIBER CABLE
    IEC 61918:2013 Industrial communication networks - Installation of communication networks in industrial premises
    IEEE 487.2-2013 IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations through the Use of Optical Fiber Systems
    NEMA VE 1:2017 Metal Cable Tray Systems
    IEEE 80-2013 IEEE Guide for Safety in AC Substation Grounding
    IEEE C37.122.1-2014 REDLINE IEEE Guide for Gas-Insulated Substations Rated Above 52 kV
    IEC 60245-8:1998+AMD1:2003+AMD2:2011 CSV Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 8: Cords for applications requiring high flexibility
    TIA/EIA 568-3 : D2016 OPTICAL FIBER CABLING AND COMPONENTS STANDARD
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC 60603-7:2008+AMD1:2011 CSV Connectors for electronic equipment - Part 7: Detail specification for 8-way, unshielded, free and fixed connectors
    IEC 60245-4:2011 Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 4: Cords and flexible cables
    NEMA TC 3 : 2016 POLYVINYL CHLORIDE (PVC) FITTINGS FOR USE WITH RIGID PVC CONDUIT AND TUBING
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    GR 771 CORE : ISSUE 2 GENERIC REQUIREMENTS FOR FIBER OPTIC SPLICE CLOSURES
    IEEE 789-2013 IEEE Standard Performance Requirements for Communications and Control Cables for Application in High-Voltage Environments
    IEC 60287-3-2:2012 Electric cables - Calculation of the current rating - Part 3-2: Sections on operating conditions - Economic optimization of power cable size
    IEEE C37.90.1-2012 IEEE Standard for Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power Apparatus
    IEC 60287-3-1:2017 Electric cables - Calculation of the current rating - Part 3-1: Operating conditions - Site reference conditions
    IEC 60332-3-21:2000 Tests on electric cables under fire conditions - Part 3-21: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A F/R
    NFPA 72 : 2016 NATIONAL FIRE ALARM AND SIGNALING CODE
    IEC 60332-2-1:2004 Tests on electric and optical fibre cables under fire conditions - Part 2-1: Test for vertical flame propagation for a single small insulated wire or cable - Apparatus
    IEEE 404-2012 IEEE Standard for Extruded and Laminated Dielectric Shielded Cable Joints Rated 2.5 kV to 500 kV
    ICEA T 30 520 : 1986 CONDUCTING VERTICAL CABLE TRAY FLAME TESTS WITH THEORETICAL HEAT INPUT RATE OF 70,000 B.T.U./HOUR
    TIA 485 : A1998(R2012) ELECTRICAL CHARACTERISTICS OF GENERATORS AND RECEIVERS FOR USE IN BALANCED DIGITAL MULTIPOINT SYSTEMS
    TIA 607 : C2015 ADD 1 2017 GENERIC TELECOMMUNICATIONS BONDING AND GROUNDING (EARTHING) FOR CUSTOMER PREMISES
    IEC 60211:1966 Maximum demand indicators, Class 1.0
    GR 902 CORE : ISSUE 2 GENERIC REQUIREMENTS FOR HANDHOLES AND OTHER BELOW-GROUND SPLICE VAULTS
    IEEE 1815-2012 REDLINE IEEE Standard for Electric Power Systems Communications-Distributed Network Protocol (DNP3)
    ICEA S 83 596 : 2016 INDOOR OPTICAL FIBER CABLE
    IEEE 442-1981 IEEE Guide for Soil Thermal Resistivity Measurements
    IEEE 1235-2000 IEEE Guide for the Properties of Identifiable Jackets for Underground Power Cables and Ducts
    IEC 60332-3-22:2000+AMD1:2008 CSV Tests on electric and optical fibre cables under fire conditions - Part 3-22: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category A
    IEEE 400-2012 REDLINE IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable Systems Rated 5 kV and Above
    ANSI/NEMA WC 71/ICEA S-96-659:2014 Standard for Nonshielded Cables Rated 2001-5000 V for Use in the Distribution of Electric Energy
    IEEE 575-2014 IEEE Guide for Bonding Shields and Sheaths of Single-Conductor Power Cables Rated 5 kV through 500 kV
    IEEE 1591.3-2011 IEEE Standard for Qualifying Hardware for Helically-Applied Fiber Optic Cable Systems (WRAP Cable)
    IEC 60332-3-10:2000+AMD1:2008 CSV Tests on electric and optical fibre cables under fire conditions - Part 3-10: Test for vertical flame spread of vertically-mounted bunched wires or cables - Apparatus
    IEC 60227-5:2011 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 5: Flexible cables (cords)
    IEC 61850-3:2013 Communication networks and systems for power utility automation - Part 3: General requirements
    IEC 60287-1-1:2006+AMD1:2014 CSV Electric cables - Calculation of the current rating - Part 1-1:Current rating equations (100 % load factor) and calculation of losses - General
    IEEE 487.1-2014 IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Through the Use of On-Grid Isolation Equipment
    IEEE 1143-2012 IEEE Guide on Shielding Practice for Low Voltage Cables
    ICEA S 87 640 : 2016 OPTICAL FIBER OUTSIDE PLANT COMMUNICATIONS CABLE
    TIA 942 : B2017 TELECOMMUNICATIONS INFRASTRUCTURE STANDARD FOR DATA CENTERS
    IEEE 367-2012 IEEE Recommended Practice for Determining the Electric Power Station Ground Potential Rise and Induced Voltage from a Power Fault
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