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  1. What is a Single Pole Double Throw (SPDT) Switch

  2. SPST, SPDT, DPST, and DPDT Explained - Littelfuse

  3. SPDT - Wikipedia

  4. SPDT Relay: Diagram, Tutorial, and How It Works

  5. What is Single Pole Double Throw Switch (SPDT), Working, Application

  6. What is the Difference Between, SPST, SPDT and DPDT ... - Knowledge Base

  7. SPDT Switch: A Comprehensive Guide Is Here - NEXTPCB

  8. SPDT Switch : Circuit, Working, Advantages & Its Applications

  9. SPDT Toggle Switch Pinout, Connections, How to Use It

  10. Switch - Wikipedia