Alphabet Flashcards
A
Preceding: Approach; Automatic; Relay Contact - Arm
Apparatus: Axle Counter
B
Preceding: Block; Bolt; Relay Contact - Back
Apparatus: Block Instrument
C
Preceding: Checking or Proving
Apparatus: Contact
D
Preceding: Clear (Green); Decoding; Relay Contact - De-energised
E
Preceding: Light; Lamp; Heat (Externally applied); Emergency; Earth
Apparatus: Light; Lamp; Earth
F
Preceding: Fog; Flashing; Feed; Relay Contact - Front
Apparatus: Detonator Placers
f
Preceding: Frequency
Apparatus: Fuse
G
Preceding: Signal
Apparatus: Signal apparatus
H
Preceding: Caution (Yellow)
Apparatus: Capacitor
HH
Preceding: Preliminary Caution (Double Yellow)
I
Preceding: AWS
Apparatus: Inductor
J
Preceding: Time (delayed action)
Apparatus: Rectifier; Diode
K
Preceding: Indicating or Detecting
Apparatus: Indicator electro-mechanical
L
Preceding: Locking; Left
Apparatus: Lock
M
Preceding: Marker; Magnetic
Apparatus: Motor
N
Preceding: Normal
Apparatus: Release; Hand Operated Switch; Push Button or Key
O
Preceding: Retarding
Apparatus: Resistor; Heater
P
Preceding: Repeating
Apparatus: Lever latch or Trigger
Q
Preceding: Treadle or Bar
Apparatus: Local coil of a Double Element Relay; Treadle or Bar
R
Preceding: Reverse; Right; Danger (Red)
Rx
Preceding: Receiver
S
Preceding: Stick
T
Preceding: Track Circuit
Apparatus: Transformers
Tx
t
Preceding (Tx): Transmitting
Apparatus (t): Terminal
U
Preceding: Route
Apparatus: Unit
V
Preceding: Train stop (including TPWS)
Apparatus: Train stop (including TPWS apparatus)
W
Preceding: Points
Apparatus: Point Operating Apparatus
X
Preceding: Audible annunciator; Level crossing; Wrong direction
Apparatus: Audible annunciator (bell, buzzer, horn, etc.)
Y
Preceding: Slotting or Disengaging
Apparatus: Slotting or Disengaging apparatus
Z
Preceding: Special
Apparatus: Special unit
