Source google image: https://s1.lmcdn.fr/multimedia/401401176184/658255a8c017/cours_3-2_schema.jpg?$p=hi-w600
Schema thermostat chauffage electrique
Source google image: https://s1.lmcdn.fr/multimedia/401401176184/658255a8c017/cours_3-2_schema.jpg?$p=hi-w600