What's the difference between these three different ways of symbolising a generic rectifier diode: solid, outline and outline with connection between anode and cathode?
Electrical – What’s the difference between these diode symbols
standardsymbol [~]
Related Solutions
Digikey's "Scheme-it" software looks similar. You can try it for free at http://www.digikey.com/schemeit.
That's the closest I could find, but as the others said you can create schematics in this style very easily with any drawing program. MS Paint is a very common one, and gives you the freedom to draw any component the way you want it.
By convention, relay contacts are shown in the de-energized state.
The middle is the common. Top is normally open (connected to common when energized). Bottom is normally closed (connected to common when de-energized).
Verify with a multimeter.
The blue relay is a Sanyou type, very common and somewhat nasty pinout.
Not enough information (nor desire) to speculate on residential wiring codes and permissible connections in Brazil.
Best Answer
The filled symbol adheres to IEEE norms, the one with the line through it adheres to DIN/IEC norms, and the hollow one does not adhere to any norm.