National Grid Technical Specifications - Cordless Telephony Equipment for Use In Supergrid Substations
Document status: [ Inactive ]
National Grid Technical Specifications - Substation Dial-Up Switch
Document status: [ Inactive ]
National Grid Technical Specifications - Armoured Underground Optical Fibre Cable
Document status: [ Inactive ]
National Grid Technical Specifications - Optical Fibres
Document status: [ Active ]
National Grid Technical Specifications - Energy Meters
Document status: [ Withdrawn ]
National Grid Technical Specifications - Metering Data Collection Outstation
Document status: [ Withdrawn ]
National Grid Technical Specifications - Metering Interposing Impulsing Units (MIIUs)
Document status: [ Withdrawn ]
Technical Specifications (NGTS) - Metering Voltage Failure Alarm Relays (MVFAs)
Document status: [ Withdrawn ]
Technical Specifications (NGTS) - Digital and Analogue Panel Meters
Document status: [ Withdrawn ]
Technical Specifications (NGTS) - Substation Clock
Document status: [ Revised ]
