1
Q
A
Ammeter Switch
2
Q
A
Ammeter
3
Q
A
Angle Valve with Hose Connection
4
Q
A
Automatic Control Valve
5
Q
A
Check Valve
6
Q
A
Condensate Trap
7
Q
A
Cross Current Compensator
8
Q
A
Auxiliary Relay
9
Q
A
Bus Total Meter
10
Q
A
Carrier Telephone Transmitter Receiver
11
Q
A
Deviation recorder continous telemetering type
12
Q
A
directional distance relay
13
Q
A
directional ground relay
14
Q
A
drain-cock
15
Q
A
duplex strainer
16
Q
A
flow indicator
17
Q
A
Flow switch
18
Q
A
frequency indicator
19
Q
A
frequency recorder
20
Q
A
gate valve normally open
21
Q
A
globe valve with hose connection
22
Q
A
indicating flow meter with alarm contacts
23
Q
A
indicating thermometer
24
Q
A
line drop compensator
25
Tuning unit
26
Lock shield valve
27
Needle Valve
28
Neutral ground relay
29
Overcurrent relay differentially connected
30
Overcurrent relay
31
Overvoltage realy
32
Pilot light
33
Pilot wire relay
34
Potential transformer switch
35
Pressure reducing valve
36
Pressure gauge with stop-cock
37
Reclosing relay
38
Recording voltmeter
39
Reducer on raw water print
Rectifier on main single line
40
Relief valve
41
Service valve in a cabinet
42
Shorting block
43
Sight flow indicator
44
Sight funnel
45
Single strainer
46
Solenoid valve
47
Speed indicator
48
Station load recorder, impulse duration type
49
Synchronism check relay
50
Synchronizing switch
51
Synchroscope
52
Temperature recorder
53
Tempature regulating valve
54
Test Block
55
Thermal relay
56
Thermoverter for load control or recording
57
Transformer Current Differential and Overcurrent Relay
58
Under and Overvoltage Relay
59
Undervoltage Relay
60
Var meter
61
Voltmeter switch
62
Voltmeter
63
Watt meter
64
Watthour meter
65
Watt-var duplex recorder
Symbols
flashcards
Decks in class (1)
# Cards
