AmazonQuick and easy testing of polarity, loop impedance and RCDs LEDs and buzzer indicate 28 fault conditions Non-trip earth loop impedance test Incoming supply polarity swap touch test Features chart on the tester for quick fault identification
Quick and easy testing of polarity, loop impedance and RCDs LEDs and buzzer indicate 28 fault conditions Non-trip earth loop impedance test Incoming supply polarity swap touch test Features chart on the tester for quick fault identification