Source google image: https://www.installation-renovation-electrique.com/images/schemas%20de%20principe/schema%20de%20principe%20prise%20de%20courant.jpg
Branchement prise electrique schema
Source google image: https://www.installation-renovation-electrique.com/images/schemas%20de%20principe/schema%20de%20principe%20prise%20de%20courant.jpg