Phase 5: Switches & Operator Control Devices
This phase contains 5 sections and 38 checklist topics. Use the interactive phase page to track your own learning progress.
General topics
- What is a switch?
- Open contact
- Closed contact
- Normal state
- NO
- NC
- COM
- Pole
- And 1 more checklist topics
Push buttons
- Momentary
- Maintained
- START
- STOP
- RESET
- Emergency stop
- Illuminated push button
Selector switches
- 2-position
- 3-position
- Auto/Manual
- Local/Remote
- Hand/Off/Auto
- Key switch
Limit switches
- Roller
- Lever
- Plunger
- NO/NC
- Position detection
- Wiring
- Troubleshooting
Other switches
- Toggle switch
- Rocker switch
- Foot switch
- Door switch
- Guard switch
- Pressure switch
- Flow switch
- Float switch
- And 1 more checklist topics