Symbols Flashcards
1
Q
A
Disconnect
2
Q
A
Circuit breaker
3
Q
A
Circuit breaker with thermal overloads
4
Q
A
Circuit breaker with thermal and magnetic overloads.
5
Q
A
NC flow switch
6
Q
A
NO flow switch
7
Q
A
NO temperature switch
8
Q
A
NC Temperature switch
9
Q
A
Float / liquid level switch
10
Q
A
NO pressure/vacuum switch
11
Q
A
Foot switches
12
Q
A
NC Limit switch
13
Q
A
Held open limit switch
14
Q
A
Normally open limit switch
15
Q
A
Held closed limit switches
16
Q
A
3 position selector switch
17
Q
A
2 position selector switch
18
Q
(Transformer)
A
Auto
19
Q
A
Air core
20
Q
A
Current
21
Q
A
Single voltage control transformer
22
Q
A
Dual voltage
Control transformer
23
Q
A
Iron core
Inductor
24
Q
A
Air core
Inductor
25
Q
A
Full wave rectifier
26
Q
A
Half wave rectifier
27
Q
A
Horn, siren, etc.
28
Q
A
Buzzer
29
Q
A
Bell
30
Q
A
Fuse or power control
31
Q
A
Fuse
32
Q
A
Diode
33
Q
A
Thermocouple
34
Q
A
Fixed capacitor
35
Q
A
Adjustable capacitor
36
Q
A
Polarized capacitor
37
Q
A
SPST single break
