4) Which is the number of light and fan points recommended in a sub circuit as per IE rule in domestic wiring?

5) How much percentage of total cost is added to estimate as contingencies?

6) Which is the recommended power for a lighting sub circuit as per IE rule in domestic wiring?

7) What is the height of horizontal run of cables as per IE code recommendation?

8) Which is the location of distribution board in a domestic wiring installation?