As per BIS 1293:1988, the voltage rating is

27) The safe maximum current that can pass continuously without overheated is called as

28) The socket is rated as _____ and having only two terminal holes without earth connection.

29) Which type of outlet accessory is suitable for double insulated appliances having P.V.C. or insulated body ?

30) Two pin sockets should not be used in domestic wiring unless the appliance to be connected is