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4.3 How to Test for Good Ground
In order to test ground resistance, a Ground Resistance Tester must be used. A typical Ground
Resistance Meter Kit contains a meter, two or three-wire leads, and two ground rods.
Instructions are supplied for either a two-point or a three-point ground test. Figure 4.1 shows a
two-point ground connection test.
Figure 4.1
–
Two-Point Ground Connection Test
METAL WATER PIPE OR
OTHER GOOD GROUND
GROUND ROD
GROUND
DISCONNECTED
FROM SERVICE
GROUND RESISTANCE METER