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A study into the effect of National Grid major infrastructure projects on socio-economic factors
Horlock Rules (substations siting and design guidelines)
Holford Rules (overhead line routeing guidelines)
Our commitments when undertaking works in the UK
Electricity transmission cost study - National Grid’s view
London Power Tunnels case study 2pp 04_11_13
Wind Turbine Guidance
Electricity Overhead Line Guidance
Electricity underground cable guidance
NSI 30: Appointment of persons [NGUK/PM/ET SR/NSI/30/GN Issue 9]
NSI 12: Low Voltage Equipment [NGUK/PM/ETSR/NSI/12/GN Issue 8]
NSI 05: Cable systems [NGUK/PM/ETSR/NSI/05/ISSUE 4]
NSI 01: Operational and safety switching [NGUK/PM/ETSR/NSI/01/GN Issue 11]
NSI 27:Work on or near to High Voltage Direct Current [NGUK/PM/ETSR/NSI/27/GN Issue 3]
NSI 17 Pressure systems
NSI 24 Modification or Repair of Earth Conductors on Main Earth Systems
NSI 30 Appointment of persons
NSI 14 Automatically and or remotely controlled equipment
NSI 09 Testing high voltage equipment [NGUK/PM/ETSR/NSI/09/GN Issue 3]
NSI 13 Washing high voltage insulators