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Although overcurrents, in the form of overloads, short circuits or ground faults, are all potentially dangerous, every home is protected by the fuses or circuit breakers. A short circuit occurs, when two current-carrying wires contact each other metal to metal. It also could happen when an exposed hot wire touches a neutral wire or a grounded metal box. Both cause the circuit to heat up suddenly. The fuse or breaker will shut off the power immediately.
Because all overcurrents cause heat, they should be attended to immediately. You do not want a damaged circuit, a fire to start, or someone to be electrocuted. To make sure you have a short circuit, and not a different type of overcurrent, go to the fuse box. If you have a short
circuit, the fuse will have a blackened or discolored mica window. A fuse tripped by another overcurrent will be clear, but there will be a break in the metal strip. You can also tell it is a short circuit if the circuit fails repeatedly. If the circuit has an overload, and you put the fuse back in place, it will likely not trip again. But, if the fuse keeps tripping, then it's a short circuit.
To correct the problem, you need to find where the short circuit is. Start by unplugging all electrical appliances. Check for damages in their cords. If the short occurs when you plug this appliance in, and the cord is damaged,
replace the cord immediately. It is the cause of the short circuit. If you cannot find the short circuit, you need to call an electrician. If faulty wiring is in the walls and attic of your home, they need to be repaired immediately. An electrician should be able to make repairs and restore power in your home, but do not expect it to be inexpensive. You should check your insurance. Some home insurance policies will cover these types of repairs.