Source google image: http://mcre.us/wp-content/uploads/2018/09/schema-installation-electrique-d-une-maison-neuve-ment-a1group-co.jpg
Schema circuit electrique vmc
Source google image: http://mcre.us/wp-content/uploads/2018/09/schema-installation-electrique-d-une-maison-neuve-ment-a1group-co.jpg