If the transmitter is connected to a live line and a neutral line, the
signal is conducted on two parallel lines( see Figure 19 ).
The twisting of the lines can sometimes cause the signals to cancel
each other. In this case, the maximum effective detecting radius of the
receiver is only about 0.5 meter.
To eliminate the effect pointed out in Figure 19, the connection should
be carried out like Figure 20. In this figure, a separate cable is used as
the return line, which can increase the effective detecting radius of the
receiver to about 2.5 meters or higher. A larger distance return line can
be provided through the cable reel.
Pay attention to the distance between the receiver and the line to be
checked, so that the line can be clearly determined according to the
signal indication of the receiver.
Comply with the relevant national and local safety laws and
regulations when performing connections on live circuits.
The reach will be improved when seeking the tension
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