STDG004 Iss 1
Circuit Design: Use of Relay Back Contacts
Synopsis
This Signalling Guideline details when back contacts should be used.
Read full standard
Registered
Withdrawn
Other
- Issued:
- 01/06/1989
- Published:
- 01/06/1989
- In Force:
- 01/08/1989
- Withdrawn:
- 31/12/1999
Details
| Consultation Status | Closed |
| Vehicle Assessment | No |
| Lead Committee | Control Command and Signalling - CCS |