General Information on Track Circuits - RGS Online

<strong>General</strong> <strong>Information</strong> on Track Circuits
Symbol
Cable Identification Codes
Withdrawn Document
Uncontrolled When Printed
Single protective boarding.
Double protective boarding.
Railway Group Approved Code of Practice
GK/RC0752
Issue Two
Date December 1998
Page C9 of 11
Description
Insulated rail joint and continuity cable
to eliminate magnetisation of points.
Aluminium advance plate: Only installed for attachment
of traction return bonds in areas
of single rail traction return.
a Single 500mm sheathed copper cable (soldered lugs) or single 800mm
sheathed aluminium cable (crimped aluminium or Cadweld aluminium lug).
c Single 161mm sheathed copper cable (gas weld heads).
d Single 161mm sheathed copper cable (soldered lugs) or single 240mm sheathed
aluminium cable (Cadweld aluminium or copper lug or crimped aluminium lug).
f Single 161mm bare copper cable (gas weld heads) or single 150mm aluminium
cable (crimped 20 bi-metal bond heads).
g Single 161mm copper cable (soldered 20 copper bond heads).
h Single 161mm sheathed cable (one gas weld head and one soldered lug).
j Single 161mm sheathed cable (one soldered lug and one soldered 20 copper bond
head) or single 150mm sheathed aluminium cable (one crimped 20 bi-metal bond
head and one crimped aluminium lug).
m Single 1,000mm sheathed aluminium cable.
Nn Single 630mm sheathed copper cable.
RAILTRACK C9