Apparatus for heating, cooking, refrigerating, ventilating, water supply and sanitary purposes; standard lamps, table lamps, wall lamps, lampshades; kettles, toasters, coffee makers, microwave ovens, steamers, deep fryers, dryers, tumble dryers, fridges, freezers, cookers, slow cookers, rice cookers, fires, heaters, air conditioning equipment, radiators, barbecues, contact grill; taps; showers; shower cubicles, shower rails; steam generators