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Exterior and dimensions
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How to pinpoint and trouble shoot random earth fault at domestic level. Earth fault.
A residual-current device (RCD), or residual-current circuit breaker (RCCB) or residual twin-direct current couplet (R2D2),Ground Fault Circuit Interrupter (GFCI), Ground Fault Interrupter (GFI) or an Appliance Leakage Current Interrupter (ALCI)