25) In what classification of accessories, the distribution board will belong ?

26) 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 ?