1) Which electric lines connect the substation to distributors in distribution system?

2) What is the insulation resistance between any two conductors in a medium voltage domestic installation as per IE rules?

3) What is the voltage ratio in A.C distribution line adopted for domestic consumers?

4) Which is the permissible load for lighting sub circuit in domestic wiring as per IE rules?

5) What is the reason for the conductor cross- sectional area can fully utilised on transmission of DC as compared to AC?