1 Safety precautions • If an appliance is not equipped with a mains cable and a plug or other means for discon- necting from the mains with a contact opening on each pole complying with the conditions of overvoltage category III for full isolation, an isolating device must be incorporated into the permanently installed electrical installation in accordance with the installation regulations. • If the mains cable of this appliance is damaged, it must be replaced by the manu- facturer or its Customer Services or a similarly qualified person in order to avoid hazard. 7