A broken neutral is a relatively common but potentially life-threatening electrical fault that can affect households and businesses.

Power flows in and out of customers' premises from the electrical distribution network, via the active cable and the neutral cable.  Customers also have within their premises an earth connection.  If there is a break in the neutral return path, electricity can still exit the premises via the customer’s earth connection.

If there are problems with the neutral and earth, electricity may then travel by a different path.  This may be via water pipes, stoves and metal taps or any other conductor of electricity.  This situation can be very dangerous and customers may suffer serious electric shocks if they touch something where electricity is present.

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