TM 5-6115-626-14&P
Figure 4-3. Installing Power Unit
( 1 )
Underground water system. Ground power unit to one of the accessible pipes in an under-
ground water system. Make certain underground pipe is made of metal and there is no
insulation, such as a water meter, between ground wire and the earth,
NOTE
It may be necessary to saturate the area around ground rod with water if soil
conditions are dry.
4-5