Search

Published Sort descending Name
NSI 17: Pressure systems [NGUK/PM/ETSR/NSI/17/GN Issue 4]
NSI 08: Mobile elevated work platforms, lorry loaders, vehicles, cranes and objects in substations guidance [NGUK/PM/ETSR/NSI/08/GN Issue 6]
NSI 06: Demarcation in substations [NGUK/PM/ETSR/NSI/06/GN Issue 8]
NSI 02:Appendix A.10 v18 Nov 2024
NSI 02: Earthing high voltage equipment [NGUK/PM/ETSR/NSI/02/GN Issue 12]
NSI 32: Now incorporated into NSI 31
NSI 31: Control of National Grid Transmission Safety Rules and Supporting Documentation [NGUK/PM/ETSR/NSI/31/GN Issue 2]
NSI 01: Operational and safety switching [NGUK/PM/ETSR/NSI/01/GN]
NSI 03: High Voltage Metal Clad Switchgear with Spouts [NGUK/PM/ETSR/NSI/03/GN Issue 3]
NSI 04: Work on or near high voltage overhead lines [NGUK/PM/ETSR/NSI/04/GN Issue 10]
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