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Includes: This instruction covers the procedure for the routine maintenance of batteries - sealed and top up type - and associated battery charging equipment installed on A.C. & D.C. Electrified Lines. Excludes: -
Includes: This instruction covers the routine maintenance of 25 kV Auxiliary Transformers located at signal supply points (i.e. PSP, ASP, etc..). Excludes: Voltage Regulators (these are covered in NR/DIST C07a)
Includes: This instruction covers the routine inspection and maintenance of all 25 kV A.C. switching station buildings including brick buildings, metal clad cabins and Structure Mounted Outdoor Switchgear ancillary equipment enclosures. Excludes:
Includes: 25kV VCBs - GEC X82S and XE2, Hawkvac 25 switchgear Excludes: VAC-GIS and WI Switchgear
Includes: Areva P142, Schnieder P142, GE P142 & Alstom P142. For single phase 25 kV only
Includes: Areva P120, Schnieder P120, GE P120 & Alstom P120. For single phase 25kV only.
Includes: Hawker Siddley VMAG 25 Switchgear
Includes: 25kV Gas Insulated Switchgear - Siemens 8DA11 & 8DA12.
Includes: Areva 25kV WI Switchgear only
Includes: This instruction covers the maintenance of GEC type OX SF6 gas insulated switchgear and the roof mounted sequential isolators associated with each circuit breaker. Excludes: 25kV single phase GEC type OX36 vacuum switchgear (structure mounted outdoor switchgear)
Includes: Balfour Beatty TAC1 25kV AIS Switchgear
