Source google image: https://www.legrand.fr/sites/default/files/styles/1222×569/public/schema-cablage-inter-simple-1222×569.jpg?itok=PwFpbJmi
Schema branchement interrupteur electrique
Source google image: https://www.legrand.fr/sites/default/files/styles/1222×569/public/schema-cablage-inter-simple-1222×569.jpg?itok=PwFpbJmi