Source google image: https://www.maisonbrico.com/images/conseils/installation-d-une-prise-de-terre-1237-4822-l480-h480-c.jpeg
Schema mise a la terre d’une installation electrique
Source google image: https://www.maisonbrico.com/images/conseils/installation-d-une-prise-de-terre-1237-4822-l480-h480-c.jpeg