Voltage Tester Pen Wire Break Detector Circuit Testers Voltage Indicator
ab 8,15 €
IDENTIFY THE NEUTRAL LINE AND THE : Use Electric Tester Pen to identify the Live Wire and Null Wire, the beep sound is slow, and the signal light flashes 1/, it is the Null Wire; the beep sound is fast, the signal light flashes grids, it is the live Wire.
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