LUL - T0511
Signalling equipment overhaul specification Time element relay (style LT)
inactive
| Organization: | LUL |
| Publication Date: | 1 November 2011 |
| Status: | inactive |
| Page Count: | 54 |
scope:
This Specification is written to comply with Engineering Standard 1-202 in defining the requirements for the overhaul of all variants of Time Element Relays (Style LT) which are used extensively in the signalling system on the London Underground.
The specification hierarchy which supports these requirements is detailed in Attachment 4 to the Specification.
Document History
December 1, 2017
Signalling equipment overhaul specification Time element relay (style LT)
This specification is written to comply with LU standard S1202 in defining the requirements for the overhaul of all variants of time element relays (style LT) which are used extensively in the...
T0511
November 1, 2011
Signalling equipment overhaul specification Time element relay (style LT)
This Specification is written to comply with Engineering Standard 1-202 in defining the requirements for the overhaul of all variants of Time Element Relays (Style LT) which are used extensively in...