T120   12 0831

Symbol Practice Sheet
OEET 120

Back to Main Page
 
1. Battery
2. Alternating current source
3. Wire not connected
4. Wire connected
5. Ground
6. Switch: single-pole single-throw double-break
7. Limit switches:
  • Normally open 
  • Normally open, held closed.
  • Normally closed
  • Normally closed, held open
8. Disconnect switches:
  • SPST
  • DPST
  • 3PST
9a. Single-phase AC motor with two terminals.
9b. Three-phase AC motor:
  • Circle symbol.
  • Wye
  • Delta
10. Fuse
11. Circuit breaker
12. Pilot light
13. Solenoid

 
Back to Main Page