Porcelain parts from Legrand's early days are on display in the Four des Casseaux museum (Musée du Four des Casseaux) on Rue Donzelot in Limoges, Haute-Vienne, Nouvelle-Aquitaine, France. Founded in the city in 1860, Legrand began its corporate history by manufacturing porcelain parts, in particular porcelain insulators for electrical engineering. White switches, sockets, insulators and terminal blocks made of porcelain lie on a wooden table. These insulators were important components for electrical installations such as power lines and switchgear. An information panel shows the factory buildi