Source google image: https://sourceforge.net/p/sweethome3d/d-models/_discuss/thread/2ab020a1/5308/attachment/2DSymbols%20v12.png
Sweet home 3d schéma électrique
Source google image: https://sourceforge.net/p/sweethome3d/d-models/_discuss/thread/2ab020a1/5308/attachment/2DSymbols%20v12.png