Continuity, Complete path for current, Insulation Resistance, Ensures no leakage between conductors, Polarity, Correct conductor connection, Earth fault, Current flowing to earth, Short circuit, Live touching neutral or earth, Open circuit, Broken electrical path, Overload, Excess current in circuit, Fuse, Melts on overcurrent, MCB, Trips on overcurrent, RCD, Trips on Earth leakage, Ring final circuit, Looped socket circuit, Radial final circuit, One directional socket circuit, CPC, Protective earth cable, Line conductor, Live supply cable, Neutral conductor, Return live conductor, Isolation, Total disconnection of supply, Dead testing, Testing of de-energised circuit, Live testing, Testing with supply on, ZS, The total resistance of the earth fault loop, IR test, Checks the condition of insulation, EaWR, Statutory regulations for electrical work, HASAWA, Duty for safety for all, GS38, Guidance on test equipment.

Fault finding definitions

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