Source google image: https://slideplayer.fr/slide/10500115/33/images/3/Mise+sous+tension+%E2%80%93+Folio_0+%28Suite%29.jpg
Schema relayage electrique
Source google image: https://slideplayer.fr/slide/10500115/33/images/3/Mise+sous+tension+%E2%80%93+Folio_0+%28Suite%29.jpg