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Published Sort descending Name
NSI 05: Cable systems [NGUK/PM/ETSR/NSI/05/ISSUE 1]
NSI 09: Testing high voltage equipment - Issue 4
NSI 10: Equipment containing pressurised interrupting / insulating gases [NGUK/PM/ETSR/NSI/10/GN Issue 6]
NSI 11: Work On or Near to High Voltage Capacitors [NGUK/PM/ETSR/NSI/11/GN Issue 5]
NSI 12: Low Voltage Equipment [NGUK/PM/ETSR/NSI/12/GN Issue 1]
NSI 13: Washing high voltage insulators [NGUK/PM/ETSR/NSI/13/GN Issue 1]
NSI 14: Automatically and/or remotely controlled equipment [NGUK/PM/ETSR/NSI/14/GN Issue 4]
NSI 24: Modification or Repair of Earth Conductors on Main Earth Systems [NGUK/PM/ETSR/NSI/24GN Issue 4]
NSI 30: Appointment of persons [NGUK/PM/ETSR/NSI/30/GN Issue 2]
The Electricity Transmission Safety Rules Fifth Edition Issue 11
NSI 10 and Guidance Issue 4
Map of our assets in designated lanscapes
VIP - The project explained
150807 National Grid VIP FIRST ANNUAL REPORT - Welsh version
National Grid VIP Annual Report July 2015
National Grid VIP Second Annual Report July 2016
Brecon Beacons Options Study
Dorset Options Study
North Wessex Downs Options Study
National Grid VIP Second Annual Report - July 2016 (Welsh)