APPARATUS NUMBERS (30,32,33,37) Flashcards
1
Q
30
A
Annunciator Relay
2
Q
32
A
Directional Power Relay
3
Q
33
A
Position Switch
4
Q
37
A
Undercurrent or Underpower Relay
30
Annunciator Relay
32
Directional Power Relay
33
Position Switch
37
Undercurrent or Underpower Relay