The main objective of an earthing system is to provide an alternative path for the faulty current to flow. Thus it will not endanger the user and this ensures that all exposed conductive parts do not reach a dangerous potential and maintain the voltage to prevent over current or excess voltage on the appliance or equipments.

All metal parts of an electrical installation or an appliance must be earthed for faulty current and this can be done through fixing earthing strips / flats / wire / plates on the installation appliance. The earthing materials are available in the following forms: