Why lighting isolation transformer is req.?

1.	Why lighting isolation transformer is req.?
Answer» a) 3 wire to 4 wire conversion since neutral is required for lighting load. b) Prevents transfer of E/F currents c) Reduces the fault level on secondary side and permits use of small-sized cables / CB’s / fuses.

Answer»

a) 3 wire to 4 wire conversion since neutral is required for lighting load.

b) Prevents transfer of E/F currents

c) Reduces the fault level on secondary side and permits use of small-sized cables / CB’s / fuses.

Discussion