An earth loop indicator with voltage and wiring checks. Conventional indicators have the weakness that only tell you if the earth is connected   Operating Instructions (110.43KB) EN Frequency Max: 50Hz Frequency Min: 50Hz Plug Type: UK Power Consumption: 1.6W Socket Tester Type: Earth Loop Impedance Tester Frequency Max: 50Hz Frequency Min: 50Hz Plug Type: UK Power Consumption: 1.6W Socket Tester Type: Earth Loop Impedance Tester
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