Question

how fuse wire connected in domestic purpose? what is its advantage?

Answer 1

it is connected in parallel so that if one appliance stops working due to some defect ,the other works properly
and in parallel combination each appliance has its own separate switch by which they can turn off or on separately

Answer 2

fuse wire is connected in series connected in domestic purpose

its advantages are
1)it saves the appliance from damaging
2)it gives our appliance a long life