IEVref:
811-33-42
ID:
Language:
en
Status:
Obsolete
Term:
frog (for tramway or trolleybus)
Synonym1:
Synonym2:
Synonym3:
Symbol:
Definition:
a device used at the junction of two overhead contact lines to permit the passage of the current collector
Publication
date
:
1991-09
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
a device used at the junction of two overhead contact lines to permit the passage of the current collector