Source google image: http://annalena.us/wp-content/uploads/2018/09/liste-de-plans-lectriques-la-maison-schema-cablage-electrique-d-une-5ba949414ff5e.jpeg
L schema electrique
Source google image: http://annalena.us/wp-content/uploads/2018/09/liste-de-plans-lectriques-la-maison-schema-cablage-electrique-d-une-5ba949414ff5e.jpeg