The Fluke 1621 is an easy-to-use earth ground tester. The Fluke 1621 is an easy-to-use earth ground tester. For ground resistance testing, the 1621 is the first line of defense in detecting reliable ...

Electrical safety testing has been around for almost a century, and safety agencies have been testing and certifying products for almost as long. Electrical and electronic products have changed ...

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 ...

HISTORY: High Resistance Grounding is a means of limiting ground fault current in electrical systems. Unrestrained fault current can cause severe equipment damage, product destruction, and personnel ...

In this interview, industry expert Jason Chonko shares practical strategies for overcoming common challenges in high-resistance and low-signal electrical measurements by addressing noise, grounding, ...

In the second part of this series on the highs and lows of resistance measurements, I illustrated the differences between two-wire and four-wire resistance measurements on an actual low ohmic sample ...