Arcing, A luminous discharge of electricity across an insulating medium, often caused by loose connections., Earth Fault, A fault that occurs when an active conductor comes into contact with the earth or a grounded part of the system, often tripping an RCD., Excess Current, A condition where the current exceeds the rated capacity of the circuit, usually caused by overloads or short circuits., Green Goo, A chemical exudate found in older plastic-insulated cables resulting from the reaction between plasticizers and copper, indicating insulation deterioration., High Resistance, A fault where a joint or connection restricts the flow of current, typically generating heat at the termination point., Insulation Failure, The breakdown of the non-conductive material surrounding a conductor, leading to potential short circuits or earth faults., Loss of Supply, A total failure of power to a circuit or system, which may be caused by external network issues or local protective device operation., OPD, Overcurrent Protective Device; a device (like a fuse or circuit breaker) designed to break a circuit when current exceeds a set limit., Open Circuit, An interruption in the electrical path that prevents current from flowing, even though the circuit's protective devices may not have tripped., RCD, Residual Current Device; a safety device designed to quickly disconnect a circuit when it detects that the electric current is not balanced, indicating leakage to earth., Short Circuit, A fault where current travels along an unintended path with very low electrical impedance, often leading to the operation of an OPD., Transient Voltage, A temporary, high-energy surge in voltage, often caused by lightning or switching of heavy electrical loads., Voltage Drop, The reduction in electrical potential along the path of a current flowing in an electrical circuit, often due to undersized cabling or long distances.

NETK3/07

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