Source google image: http://pose-fenetres-volets-34.com/wp-content/uploads/2018/04/branchement_volet_roulant_electrique-1.jpg
Schema montage electrique volet roulant
Source google image: http://pose-fenetres-volets-34.com/wp-content/uploads/2018/04/branchement_volet_roulant_electrique-1.jpg