... E14,B22 2)CE/LVD/ROHS 3)Metal:Copper/Iron/Aluminium B22 porcelain lampholder,lamp ... holder,porcelain lamp socket,ceramic lampbase 1.B22,E10,E12 ... ,E14, E26,E27,E39, E40 lampholder,porcelain knife switch,fuse unit series etc.2.Metal: aluminium/iron/copper/brass ... Meet CE/LVD/ROHS standard ModelPorcelain E14, B22,E27, E40 Series etc. Body MaterialPorcelain ...