Continuity of CPC, Test method 1 R1 + R2, Continuity test method 2, Long wander lead R2, Continuity of ring final circuit, Step 1 measure end to end resistance, Continuity of RFC, Step 2 r1 + rn/4, RFC continuity, Step 3 r1 + r2/4, Insulation resistance, 500V & 1MΩ, Polarity, Correct connection of equipment & accessories, Earth fault loop impedance Ze, Measure impedance of incoming supply, PFC, Check the fault current against the breaking capacity of the protective devices, Earth fault loop impedance Zs, Measure impedance of system, Functional test, Measure disconnection of RCD, Check mechanical operation, Press test button on RCD.

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