The number of terminals available in an intermediate switch is

2

3

4

5

400 V

415 V

440 V

450 V

15 A to 200 A

16 A to 220 A

16 A to 200 A

15 A to 250 A

divide into number of branch circuits

provide earth connection to the wiring system

extend the length of the wire without jointing

provide the neutral connections of the wire

It is used for soldering

It is used to desolder the cable joint

It is used to cut the cable as per needs

It is used to connect cable ends to connectors