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33 Cards in this Set

  • Front
  • Back

1

Breakdowns

2

Megger

3

Grounds

4

Timers

5

Relays

12

Signal indication lock circuit

13

Approach locking

14

Time locking

15

Moveable bridges

16

Route locking

17

Traffic locking

20

Switch indication locking

21

Point detector

22

Switch obstruction

23

Valve locks/magnets

24

A5 restore feature

25

Electric switches

27

Crossings

30

Track circuits

31

AFOs

32

Track circuit integrity

33

Shunt fouling

34

Shunt

35

ASC

40

Megger electric switch heaters

41

I.J.'s, bonds, grounding

42

Code change points

43

Cross bonding (broken rail)

44

Hand operated switch shunt

45

Resistance of made grounds

46

DAQ's

48

Electric unlock

49

ASCO switch