Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Symbols_ISO_10628.svg/350px-Symbols_ISO_10628.svg.png
Symbol de schema electrique
Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Symbols_ISO_10628.svg/350px-Symbols_ISO_10628.svg.png