Amprobe A-5000 Sheath Fault Locator - Manual (Page 12)

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Figure 5-1: Typical T-5000 Transmitter Connection
1 Black Lead
2 Red Lead
3 Ground Rod
4 Fault
5 Faulty conductor open on both ends
As current flows from the transmitter and through the fault, an earth voltage gradient field is created. Its center is at the
fault. This gradient field has a pattern as depicted in Figure 5-2, like pond water ripples when you throw a rock in it or
the rings of a tree stump.)