IEVref:
821-04-11
ID:
Language:
en
Status:
Standard
Term:
trap points
Synonym1:
safety points
Synonym2:
side protection switch
Synonym3:
Symbol:
Definition:
points provided in a line to prevent unauthorized movements from that line on to another line, and which are interlocked to provide flank protection
Publication
date
:
2017-11-20
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
points provided in a line to prevent unauthorized movements from that line on to another line, and which are interlocked to provide flank protection