Deals with the safety of electric pumps for liquids having a temperature not exceeding 90 deg C, with a rated voltage of not more than 250 V for single-phase and 480 V for other appliances. Examples of appliances within the scope of this standard are aquarium pumps; pumps for garden ponds; sludge pumps; submersible pumps; table fountain pumps; vertical wet pit pumps. Pumps incorporated in appliances are not covered by this standard unless a specific reference is made. This standard however, in general, does not take into account the use of appliances by - persons (including children) whose * physical, sensory or mental capabilities; or * lack of experience and knowledge prevent them from using the appliance safely without supervision or instruction; - children playing with the appliance.