Fluke 1625 FE 1625 Users Manual - Page 71

Appendix, A. Stakeless Earth/Ground Resistance Testing, Introduction

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Stakeless Earth/Ground Resistance Testing Care and Maintenance Appendix A Stakeless Earth/Ground Resistance Testing Introduction Stakeless testing provides the ground tester with the unique capability to measure individual ground resistances in multi-grounded systems using two clampon current transformers. The use of ground stakes is not necessary. Before this method was available, users were required to disconnect an individual ground path to be tested from other grounds to eliminate the influence of parallel ground paths. This was time consuming at the minimum and in many cases dangerous. Once disconnected, the standard 3-pole/terminal ground testing method was used which requires auxiliary earth stakes. In addition to consuming additional time, finding suitable locations for the ground stakes can be difficult and in some cases, impossible. The "stakeless" method of ground resistance testing eliminates these problems and ideally complements the ground testers' standard testing methods. 63

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Stakeless Earth/Ground Resistance Testing
Care and Maintenance
63
Appendix A
Stakeless Earth/Ground Resistance
Testing
Introduction
Stakeless testing provides the ground tester with the unique capability to meas-
ure individual ground resistances in multi-grounded systems using two clamp-
on current transformers.
The use of ground stakes is not necessary.
Before this method was available, users were required to disconnect an indi-
vidual ground path to be tested from other grounds to eliminate the influence
of parallel ground paths.
This was time consuming at the minimum and in many cases dangerous.
Once disconnected, the standard 3-pole/terminal ground testing method was
used which requires auxiliary earth stakes. In addition to consuming additional
time, finding suitable locations for the ground stakes can be difficult and in
some cases, impossible. The "stakeless" method of ground resistance testing
eliminates these problems and ideally complements the ground testers' stan-
dard testing methods.