Source google image: https://www.imgoshka.com/wp-content/uploads/2018/11/plan-electrique-d-une-maison-best-of-symbole-electrique-maison-symbole-schema-electrique-symbole-of-plan-electrique-d-une-maison.jpg
Symbol schema electrique
Source google image: https://www.imgoshka.com/wp-content/uploads/2018/11/plan-electrique-d-une-maison-best-of-symbole-electrique-maison-symbole-schema-electrique-symbole-of-plan-electrique-d-une-maison.jpg