CPC 100 V1.41
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Note 1: The "Auxiliary electrode I" carries life threatening voltages during the
test. Also the step voltage around the electrode can be quite high.
Therefore it is recommended to mark an area of 10 m (30 ft) around
the electrode as dangerous zone and to position a guard outside this
area to keep people from entering the dangerous zone.
Note 2: If the desired current cannot be reached or an overload occurs, the
contact resistance to the soil of the "Auxiliary electrode I" might be too
high. Then it is a good idea to place several electrodes in a distance of
few meters and connect them all together to keep the resistance to the
soil low. This also reduces the hazard due to high voltages around the
electrode.