BR13422 Iss 1
50Hz Single Phase AC Electrification, Immunisation of Signalling and Telecommunications Systems Against Electrical Interference.
Synopsis
Code of Practice on all aspects of immunisation, it covers all sources of interference on the 25kV, 50Hz and gives the precautions needed for the safety of staff.
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Registered
Withdrawn
Railway Group Standard
- Issued:
- 01/02/1979
- Published:
- 01/02/1979
- In Force:
- 01/02/1979
- Withdrawn:
- 01/12/2012
Details
Consultation Status | Closed |
Vehicle Assessment | No |
Superseded By | GKGN0622 Iss 1 |
Lead Committee | Control Command and Signalling - CCS |
Supporting Committee | Energy - ENE |
Briefing Notes | 12 BN12 |
Impact Assessments
![]() Registered |
12 IA08 |
Deviations
![]() Registered |
09-085-DGN
DC point detection circuits |