armagedon (Mariana Lover): People use many different electric machines in their homes today Besides several electric lights,they may use electric irons 0r fans,frigidaires,radios,televisions and ranges 0r stoves.The use of large amounts of electricity may heat the wires and start a fire. *
24-08-09 - 08:16:12

armagedon (Mariana Lover): Sometimes also the covering of the wires may become worn out.Two wires may touch each other in the bare place and cause a short circuit.If this happens,a very large current of electricity will flow and the wires will become red-hot and may start a fire. *
24-08-09 - 08:20:28

armagedon (Mariana Lover): To protect the house in case of a short circuit 0r overload, fuses are used.A fuse is usually a short piece of soft metal which melts at a low temperature.It is inserted in the circuit in such a way that the current must pass through it on its way to the machines to be operated. *
24-08-09 - 08:25:53

armagedon (Mariana Lover): When too much current flows, this wire becomes hot and melts before the house wires become dangerously hot.This breaks the circuit and stops the flow of electricity. *
24-08-09 - 08:31:03