Question

Draw a circuit diagram to explain the ring system of house wiring. State two advantage of it.

Answer 1

Advantages of ring system over tree system
i) In a ring system the wiring is cheaper than tree system
ii) In ring system the sockets and plugs of same size can be used while in tree system sockets and plugs are of different size.
iii) In ring system, each appliance has a separate fuse due to which if there is a fault and the fuse of one appliance burns it does not affect other appliances; while in a tree system when fuse in one distribution lines blows,it disconnects all the appliances connected to that distribution circuit.