Technical Resources

Electrical & Overhead Line Standards

  • IEC 60027Letter symbols to be used in electrical technologyIEC Webstore
  • IEC 60038Standard voltagesIEC Webstore
  • IEC 60044Instrument transformersIEC Webstore
  • IEC 60060High-voltage test techniquesIEC Webstore
  • IEC 60071Insulation coordinationIEC Webstore
  • IEC 60076-1Power transformers — Part 1 GeneralIEC Webstore
  • IEC 60383Insulators for overhead lines >1 kVIEC Webstore
  • IEC 60383-1Ceramic or glass insulator units
  • IEC 60383-2Composite insulators
  • IEC 60471Clevis & tongue coupling dimensions
  • IEC 60652Loading tests on towers
  • IEC 60721Classification of environmental conditions
  • IEC 60815Selection of insulators under pollution
  • IEC 60815-1Definitions & principles
  • IEC 60815-2Ceramic & glass insulators
  • IEC 60815-3Polymer insulators
  • IEC 60826Design criteria for overhead linesIEC Webstore
  • IEC 60865Short-circuit currents — mechanical/thermal effects
  • IEC 60888Zinc-coated steel wires for stranded conductors
  • IEC 60909Calculation of short-circuit currents
  • IEC 61089Round wire concentric stranded conductors
  • IEC 61232Aluminium-clad steel wires (ACSR/AW)
  • IEC 61284Fittings (clamps, spacers, dampers)
  • IEC 61318Live working — conformity assessment
  • IEC 61328Spacer dampers
  • IEC 61395Creep test for conductors
  • IEC 61466Composite string insulator units
  • IEC 61472Minimum approach distances >1 kV AC
  • IEC 61400-24Wind turbines — lightning protection
  • IEC 61773Testing of foundations for structures
  • IEC 61897Aeolian vibration dampers
  • IEC 61914Cable cleats for electrical installations
  • IEC 61936Power installations >1 kV AC
  • IEC 61975System tests for HVDC overhead lines
  • IEC 62004Thermal-resistant aluminium alloy wire
  • IEC 62219Formed wire concentric stranded conductors
  • IEC 62237Insulating hoses for live working
  • IEC 62561Lightning Protection System Components
  • IEC 62561-1Connection components
  • IEC 62561-2Conductors & earth electrodes
  • IEC 60099Surge arrestersIEC Webstore
  • IEC 60255Measuring relays & protection equipment
  • IEC 60282High-voltage fuses
  • IEC 60353Short-circuit test methods for conductors
  • IEC 60437Radio interference test on insulators
  • IEC 60479Effects of current on human beings
  • IEC 60502Power cables with extruded insulation
  • IEC 60507Artificial pollution tests on insulators
  • IEC 60694Common specifications for HV switchgear
  • IEC 60840Power cables 30–150 kV
  • IEC 62067Power cables above 150 kV
  • IEC 62271High-voltage switchgear & controlgear
  • IEC 62271-100AC circuit breakers
  • IEC 62271-102Disconnectors and earthing switches
  • IEC 62271-105Switch-fuse combinations
  • IEC 62271-200AC metal-enclosed switchgear
  • IEC 62271-203Gas-insulated switchgear (GIS)
  • IEC 62271-207GIS installation, safety & testing
  • IEC 62271-304High-voltage switchgear — climatic tests
  • IEC 62305Lightning protection
  • IEC 62475Guidelines for power quality measurement
  • IEC 62505Railway applications — Overhead contact lines
  • IEC 62641Aerial insulated cables > 1 kV
  • IEC 62782Vibration test on insulators
  • IEC 62895HVDC extruded cable systems
  • IEC 62927Overhead electrical lines > 45 kV AC
  • BS EN 50341-1Overhead electrical lines > 1 kV
  • BS EN 50341-2-XXNational Normative Aspects (various countries)
  • BS EN 1991Eurocode 1 — Actions on structures
  • BS EN 1993Eurocode 3 — Design of steel structures
  • BS EN 1997Eurocode 7 — Geotechnical design
  • BS EN 10025Hot-rolled structural steel
  • BS EN 14399High-strength structural bolting
  • BS EN 206Concrete for foundations
  • BS EN ISO 1461Hot-dip galvanizing
  • BS EN 50341-3Electrical clearances and mechanical design
  • ASTM B230Aluminum 1350-H19 wire
  • ASTM B231Concentric-lay AAC conductors
  • ASTM B232Concentric-lay ACSR conductors
  • ASTM B233Concentric-lay AAAC conductors
  • ASTM B341Aluminum-coated steel core wire
  • ASTM B498Zinc-coated steel core wire
  • ASTM B803High-strength Zn–Al alloy steel wire
  • ASTM B857Shaped wire compact ACSR/TW
  • ASTM A36Carbon structural steel
  • ASTM A572High-strength low-alloy steel
  • ASTM A123Hot-dip galvanized coatings
  • CIGRÉ TB 144Mechanical loadings of overhead linesCIGRÉ Library
  • CIGRÉ TB 207Foundations for transmission line towersCIGRÉ Library
  • CIGRÉ TB 244Conductor galloping of overhead linesCIGRÉ Library
  • CIGRÉ TB 284Guide for vibration damping devicesCIGRÉ Library
  • CIGRÉ TB 338Design of composite insulatorsCIGRÉ Library
  • IEC 50341 (series)Overhead electrical lines > 1 kV general standard
  • IEC 50074Guide to overhead line clearance
  • IEC 50289-3Optical fibre technology for OPGW & communications
  • IEC 60794 (series)Optical fibre cables — part relevant to overhead conductors
  • IEC 61076Connectors for fibre optic for OPGW systems
  • IEC 62066Test methods for metallic materials used in overhead lines
  • IEC 62193Lightning performance of transmission lines
  • IEC 62705Mechanical behaviour under wind & ice loading
  • IEC 62855Monitoring & diagnostic systems for overhead lines
  • IEC 62905Corona & audible noise of lines
  • EN 50341-3Mechanical requirements & clearances for overhead lines
  • EN 50341-B2UK normative requirements for overhead lines
  • EN 50162Lightning protection of overhead lines in conjunction with EMC
  • EN 50182Stranded conductors for overhead lines
  • EN 50183Aluminium-clad steel wires
  • EN 50316Measurement of radio interference of overhead lines
  • EN 50355Switchgear enclosures — tests for salt, pollution etc.
  • EN 50342Composite insulator test method
  • ASTM B417Standard Specification for Aluminum Alloy 6201-T81 Wire
  • ASTM B450Standard Specification for Exothermic Welded Connections for Electrical Purposes
  • ASTM B787Standard Specification for Aluminum 6101 T-81 Conductor Wire
  • ASTM B850Standard Test Methods for Aluminum Conductor Stranding
  • IEEE C37.20Metal-clad & metal-enclosed switchgear assemblies
  • IEEE C37.09Application guide for AC high-current circuit breakers
  • IEEE C37.30Outdoor AC circuit breakers
  • IEEE 1243Guide for improving overhead line performance
  • IEEE 1593Guide for design of overhead distribution lines
  • IEEE P738-2012Calculation of conductor temperature rise
  • CIGRÉ TB 340Overhead line conductor technologies
  • CIGRÉ TB 365Guidelines for Aeolian Vibration Damping
  • CIGRÉ TB 389Composite core conductor performance
  • CIGRÉ TB 440Condition monitoring techniques for OHL
  • CIGRÉ TB 575Guidelines for line re-rating under climate changes
  • CIGRÉ TB 705Optimal maintenance and asset management for lines
  • IEC 62922High voltage switchgear — minimum clearances
  • IEC 62924Testing of dynamic line rating systems
  • IEC 62952Mechanical vibration tests for fittings
  • IEC 62961Thermal monitoring of conductors
  • IEC 63026OPGW optical fibre requirements
  • IEC 63119Live working — flexible insulating materials
  • IEC 63223Conductor creep under long-term load
  • IEC 63272Fire performance of insulators and fittings
  • BS EN 1998Eurocode 8 — Earthquake resistance for towers
  • BS EN 1999Eurocode 9 — Aluminium structures for OHL
  • BS EN 13501Fire classification of materials for electrical use
  • BS EN 61730Electrical safety of PV modules used near OHL
  • BS EN ISO 1461Hot dip galvanization for towers
  • BS EN ISO 12944Corrosion protection for steel structures
  • ASTM A123Zinc (Hot-dip galvanized) coatings on steel
  • ASTM A475Zinc-coated steel wire strand
  • ASTM A576Steel bars for overhead line fittings
  • ASTM A938Wire torsion testing method
  • ASTM B978Concentric-lay overhead conductor test method
  • ASTM G154UV resistance of insulators
  • ASTM D2307Polymeric material flammability for insulators
  • ASTM F855Protective grounding assemblies
  • ASTM F1702Polymeric insulation sheath test
  • IEEE 1313.2Guide for corona and field effects of lines
  • IEEE 1222Guide for high-temperature conductors
  • IEEE 1862Line monitoring devices
  • IEEE 524Installation of overhead transmission line conductors
  • IEEE 1048Protective grounding methods for lines
  • IEEE 575Thermal rating of overhead conductors
  • IEEE 977Guide for field strength measurements
  • CIGRÉ TB 144Electrical environment of OHL
  • CIGRÉ TB 179Testing methods for composite insulators
  • CIGRÉ TB 207Design of compact transmission lines
  • CIGRÉ TB 244Live working safety practices
  • CIGRÉ TB 259Design of OPGW systems
  • CIGRÉ TB 299Corona and radio interference mitigation
  • CIGRÉ TB 346Wind-induced conductor motion
  • CIGRÉ TB 563Dynamic line rating practices
  • CIGRÉ TB 642Electrical & mechanical testing of fittings
  • CIGRÉ TB 782Resilient overhead line design
  • IEC 63290Overhead line monitoring systems
  • IEC 63350Conductor fatigue testing
  • IEC 63410Live-line working guidelines
  • IEC 63525HVDC overhead line components
  • IEC 63670Environmental impact assessment for lines
  • BS EN 50341-4National norms for overhead lines (various EU countries)
  • BS EN 50341-5Mechanical loads for towers and masts
  • BS EN 50341-6Tower foundations and anchoring
  • BS EN 50341-7Galvanizing & corrosion protection
  • BS EN 50341-8Insulator testing and selection
  • ASTM B588Aluminium conductor alloy standards
  • ASTM B609Round aluminum wire
  • ASTM B916Aluminum-zinc alloy conductor tests
  • ASTM B931Tensile testing for aluminum conductors
  • ASTM F855Protective grounding components
  • IEEE 738Conductor temperature and ampacity calculations
  • IEEE 80Grounding of power systems
  • IEEE 1313.1Guide for overvoltage protection
  • IEEE 1125Live working procedures for lines
  • CIGRÉ TB 815Overhead line structural monitoring
  • CIGRÉ TB 823Guidelines for composite conductor installation
  • CIGRÉ TB 845Lightning performance and risk assessment
  • CIGRÉ TB 870Aeolian vibration mitigation techniques
  • CIGRÉ TB 890Overhead line lifetime asset management
  • CIGRÉ TB 905Dynamic line rating & real-time monitoring
  • CIGRÉ TB 920Environmental effects on transmission lines
  • CIGRÉ TB 945Composite insulators design & testing
  • CIGRÉ TB 960Guidelines for HVDC overhead lines
  • CIGRÉ TB 975Corona and noise reduction techniques