Switch Symbols and Relay Symbols

• Switch/Relay, Single Pole/Single Throw (SPST) ;
• Switch/Relay, Single Pole/Double Throw (SPDT);
• Switch/Relay, Double Pole/Double Throw (DPDT);

Table of Electrical Symbols - Connected Wires

Connected crossing

 

Table of Electrical Symbols - Wire Symbols

 Wire Symbols

 

Electronic symbols for wiring