4
1.3 Check while installing / removing pumps
The water can be checked for voltage before and during the installation / removal of a pump in the flooded
area. This means that the pump can be safely inserted into or removed from the water.
1.4 Checking flooded maintenance shafts
In the case of flooded maintenance shafts, the ball electrode can be lowered into the water and this
can be checked for voltage.
