Home improvement, how should the wire grouping ah?

According to you should be a bungalow, it is recommended to share more than two groups, a group of 4 ~ 6 square, dedicated to air conditioning outlets; a group of 4 ~ 6 square, for the kitchen; a group of 4 ~ 6 square, for the rooms (kitchen, bathroom except) outlets; a group of 4 square, for the bathroom; a group of 4 square, for the room lighting, each group is a separate circuit, can not be common zero line. In addition to the lighting circuit plus 1P open protection, the rest of the circuit are added leakage protection, specifications to plan for electricity shall prevail.

This is a disadvantage of doing more than the above is the cost of the line, but safety is guaranteed. Problems or find.

This is a disadvantage than the above is costly line, but safety is guaranteed.