Toggle Switch Wiring Diagrams
Single Pole Single Throw (SPST)
A simple on-off switch controlling one circuit with two terminals.
Terminal 1: Power In
Terminal 2: Load Out
Single Pole Double Throw (SPDT)
Switches between two different circuits with three terminals.
Common Terminal
Normally Open
Normally Closed
Double Pole Double Throw (DPDT)
Controls two separate circuits simultaneously with six terminals.
Common A1, A2
NO A1, NO A2
NC A1, NC A2
3-Way Toggle Switch
Controls one light from two different locations with three terminals.
Common Terminal
Traveler 1
Traveler 2
4-Way Toggle Switch
Controls one light from three or more locations with four terminals.
Input 1
Output 1
Input 2
Output 2
Center Off Toggle Switch
Maintains a center off position with momentary or maintained action.
Common Terminal
Position A (ON)
Position B (ON)
Center (OFF)
Important Safety Information
- Always turn off power at the circuit breaker before working with electrical wiring
- Use appropriate wire gauges for your specific application
- Consult local electrical codes and regulations
- When in doubt, consult a licensed electrician
⚠️ WEUP switches are rated for specific voltage and current - never exceed specifications