Along with the development of new instrumentation, the test procedure itself was also standardized. By “walking” the potential probe toward the current probe and graphing the measurements, the ...

Megger has launched an earth/ground resistance tester named DET2/3 with optional test lead reels to reduce time and frustration for the operator. The high-performance ground tester replaces DET2/2 ...

Explanation: Section 250.53(A)(2) requires that a single ground rod be supplemented by another electrode. An exception allows a single rod if the resistance of this ...