5.2.2.2.2 When the casing of the appliance is of insulating material, metal foil shall be wrapped round the handles, e.g. in Figure 8b, around handle B, and also round the second handle D, if present. Also metal foil 60 mm wide shall be wrapped round the body C at that
point where the iron core of the motor stator is located, or around the gearbox if this gives a higher disturbance level. All these pieces of metal foil, and the ring or bushing A, if present, shall be connected together and to the terminal M of the RC element.
当器具的外壳是绝缘材料时, 金属箔包裹在手柄上,如图8b中的手柄B,如果有的话,也包括手柄D。60mm宽的金属箔也应包裹壳体C,此点为电动机的铁芯处,或者如果引起较高的骚扰电平则包裹齿轮箱。所有的金属箔、卡圈或挡圈A,如果有的话,应连接在一起,在接至RC元件的M端。 |