Service Entrance Or Meter; Pad Mounted Transformer - AEMC 3711 User Manual

Note: A high reading or OL indicates one or more of the following:
A. Poor ground rod
B. Open ground conductor
C. High resistance bonds on the rod or splices on the conductor; watch
for buried split butts, clamps, and hammer-on connections.

Service Entrance or Meter

Follow the same procedure as for Pole Ground Rods. Notice that Fig. 24
shows multiple ground rods and in Fig. 23 the ground rods have been
Ground level
Figure 24
Ground Resistance Tester Models 3711 and 3731
Building wall
Pole-mounted
transformer
ervice meter
Ground
rods
replaced with a water
pipe ground. You may
also have both types
acting as a ground. In
these
necessary to make the
measurements between
the service neutral and
both grounded points.
ervice box
Figure 23
Building wall
Pole-mounted
transformer
Service meter
- 25 -
cases, it is
Service box
Water pipe