Source google image: http://www.pohovka.info/wp-content/uploads/2018/07/norme-securite-electrique-salle-de-bain-installation-lectrique-nf-norme-nfc-15100-salle-de-bain.jpg
Norme electrique nf15100
Source google image: http://www.pohovka.info/wp-content/uploads/2018/07/norme-securite-electrique-salle-de-bain-installation-lectrique-nf-norme-nfc-15100-salle-de-bain.jpg