LUL - T0511
Signalling equipment overhaul specification Time element relay (style LT)
active, Most Current
| Organization: | LUL |
| Publication Date: | 1 December 2017 |
| Status: | active |
| Page Count: | 52 |
scope:
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 signalling system on the LU.
Purpose
This specification details the overhaul requirements of time element relays (style LT) which are used in the signalling system on the London Underground (LU).
Document History
T0511
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...
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...