Question

what is the usual current rating of the fuse wire in the line to feed a] lights and fans b] appliances of 2kw or more power

Answer 1

 1.The usual capacity  is around 15-20 A or less.

2. For instruments and appliances of 2 kW or more power, the usual capacity of the current rating of the fuse wire in the line to feed is a minimum of 30 A. However, it is preferred to have a power of 50-60 A or less

Answer 2

For light and fans =5A

For appliances of 2KW =15A